712974834 has 144 divisors (see below), whose sum is σ = 1851759000. Its totient is φ = 198095040.

The previous prime is 712974827. The next prime is 712974869. The reversal of 712974834 is 438479217.

It can be written as a sum of positive squares in 4 ways, for example, as 245025 + 712729809 = 495^2 + 26697^2 .

It is a super-2 number, since 2×712974834² = 1016666227834655112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 712974834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4784992 + ... + 4785140.

Almost surely, 2^712974834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712974834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925879500).

712974834 is an abundant number, since it is smaller than the sum of its proper divisors (1138784166).

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

712974834 is a wasteful number, since it uses less digits than its factorization.

712974834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 178 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 712974834 is about 26701.5886044258. The cubic root of 712974834 is about 893.3563599854.

The spelling of 712974834 in words is "seven hundred twelve million, nine hundred seventy-four thousand, eight hundred thirty-four".