707420 has 48 divisors (see below), whose sum is σ = 1763328. Its totient is φ = 233280.

The previous prime is 707407. The next prime is 707429. The reversal of 707420 is 24707.

707420 = T₁₁₉ + T₁₂₀ + ... + T₁₈₀.

707420 is nontrivially palindromic in base 6.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 707392 and 707401.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 707420.

It is not an unprimeable number, because it can be changed into a prime (707429) by changing a digit.

707420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4259 + ... + 4421.

It is an arithmetic number, because the mean of its divisors is an integer number (36736).

2⁷⁰⁷⁴²⁰ is an apocalyptic number.

707420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 707420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881664).

707420 is an abundant number, since it is smaller than the sum of its proper divisors (1055908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

707420 is a wasteful number, since it uses less digits than its factorization.

707420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 707420 is about 841.0826356548. The cubic root of 707420 is about 89.1030242381.

The spelling of 707420 in words is "seven hundred seven thousand, four hundred twenty", and thus it is an iban number.