712651028 has 12 divisors (see below), whose sum is σ = 1247342292. Its totient is φ = 356267520.

The previous prime is 712650979. The next prime is 712651081. The reversal of 712651028 is 820156217.

It can be written as a sum of positive squares in 2 ways, for example, as 639685264 + 72965764 = 25292^2 + 8542^2 .

It is a junction number, because it is equal to n+sod(n) for n = 712650985 and 712651003.

It is a congruent number.

It is an unprimeable 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, 25268 + ... + 45428.

It is an arithmetic number, because the mean of its divisors is an integer number (103945191).

Almost surely, 2^712651028 is an apocalyptic number.

It is an amenable number.

712651028 is a deficient number, since it is larger than the sum of its proper divisors (534691264).

712651028 is a wasteful number, since it uses less digits than its factorization.

712651028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29002 (or 29000 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 712651028 is about 26695.5244938173. The cubic root of 712651028 is about 893.2210967011.

The spelling of 712651028 in words is "seven hundred twelve million, six hundred fifty-one thousand, twenty-eight".