702428 has 12 divisors (see below), whose sum is σ = 1248072. Its totient is φ = 345840.

The previous prime is 702413. The next prime is 702431. The reversal of 702428 is 824207.

It is a congruent number.

It is an unprimeable number.

702428 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (104006).

2⁷⁰²⁴²⁸ is an apocalyptic number.

It is an amenable number.

702428 is a deficient number, since it is larger than the sum of its proper divisors (545644).

702428 is a wasteful number, since it uses less digits than its factorization.

702428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692 (or 2690 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 702428 is about 838.1097780124. The cubic root of 702428 is about 88.8929403246.

The spelling of 702428 in words is "seven hundred two thousand, four hundred twenty-eight".