712642628 has 12 divisors (see below), whose sum is σ = 1251060972. Its totient is φ = 355196640.

The previous prime is 712642613. The next prime is 712642673. The reversal of 712642628 is 826246217.

It can be written as a sum of positive squares in 2 ways, for example, as 70425664 + 642216964 = 8392^2 + 25342^2 .

It is a junction number, because it is equal to n+sod(n) for n = 712642591 and 712642600.

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 3 ways as a sum of consecutive naturals, for example, 279743 + ... + 282278.

It is an arithmetic number, because the mean of its divisors is an integer number (104255081).

Almost surely, 2^712642628 is an apocalyptic number.

It is an amenable number.

712642628 is a deficient number, since it is larger than the sum of its proper divisors (538418344).

712642628 is a wasteful number, since it uses less digits than its factorization.

712642628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562342 (or 562340 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 712642628 is about 26695.3671636110. The cubic root of 712642628 is about 893.2175872290.

The spelling of 712642628 in words is "seven hundred twelve million, six hundred forty-two thousand, six hundred twenty-eight".