2432720 has 40 divisors (see below), whose sum is σ = 5785344. Its totient is φ = 950912.

The previous prime is 2432719. The next prime is 2432737. The reversal of 2432720 is 272342.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 2432692 and 2432701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437 + ... + 4083.

2^2432720 is an apocalyptic number.

2432720 is a gapful number since it is divisible by the number (20) 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 2432720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2892672).

2432720 is an abundant number, since it is smaller than the sum of its proper divisors (3352624).

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

2432720 is a wasteful number, since it uses less digits than its factorization.

2432720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2432720 is about 1559.7179232156. The cubic root of 2432720 is about 134.4922859181.

The spelling of 2432720 in words is "two million, four hundred thirty-two thousand, seven hundred twenty".