7128402 has 16 divisors (see below), whose sum is σ = 14320800. Its totient is φ = 2365472.

The previous prime is 7128391. The next prime is 7128427. The reversal of 7128402 is 2048217.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 1152 + ... + 3947.

It is an arithmetic number, because the mean of its divisors is an integer number (895050).

Almost surely, 2^7128402 is an apocalyptic number.

7128402 is an abundant number, since it is smaller than the sum of its proper divisors (7192398).

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

7128402 is a wasteful number, since it uses less digits than its factorization.

7128402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 7128402 is about 2669.9067399443. The cubic root of 7128402 is about 192.4556776577.

The spelling of 7128402 in words is "seven million, one hundred twenty-eight thousand, four hundred two".