712704040 has 32 divisors (see below), whose sum is σ = 1604529000. Its totient is φ = 284913664.

The previous prime is 712704023. The next prime is 712704067. The reversal of 712704040 is 40407217.

It can be written as a sum of positive squares in 4 ways, for example, as 562543524 + 150160516 = 23718^2 + 12254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 712703996 and 712704014.

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, 80976 + ... + 89344.

Almost surely, 2^712704040 is an apocalyptic number.

It is an amenable number.

712704040 is an abundant number, since it is smaller than the sum of its proper divisors (891824960).

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

712704040 is a wasteful number, since it uses less digits than its factorization.

712704040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509 (or 10505 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 712704040 is about 26696.5173758676. The cubic root of 712704040 is about 893.2432441762.

The spelling of 712704040 in words is "seven hundred twelve million, seven hundred four thousand, forty".