702420 has 48 divisors (see below), whose sum is σ = 2056320. Its totient is φ = 178816.

The previous prime is 702413. The next prime is 702431. The reversal of 702420 is 24207.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 702420.

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 702420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126 + ... + 1634.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2⁷⁰²⁴²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 702420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028160).

702420 is an abundant number, since it is smaller than the sum of its proper divisors (1353900).

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

702420 is a wasteful number, since it uses less digits than its factorization.

702420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 702420 is about 838.1050053543. The cubic root of 702420 is about 88.8926028541.

Adding to 702420 its reverse (24207), we get a palindrome (726627).

The spelling of 702420 in words is "seven hundred two thousand, four hundred twenty", and thus it is an iban number.