712118938 has 4 divisors (see below), whose sum is σ = 1068178410. Its totient is φ = 356059468.

The previous prime is 712118929. The next prime is 712118959. The reversal of 712118938 is 839811217.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 392317249 + 319801689 = 19807^2 + 17883^2 .

It is a super-2 number, since 2×712118938² = 1014226763716495688, 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 712118938.

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 as a sum of consecutive naturals, namely, 178029733 + ... + 178029736.

Almost surely, 2^712118938 is an apocalyptic number.

712118938 is a deficient number, since it is larger than the sum of its proper divisors (356059472).

712118938 is a wasteful number, since it uses less digits than its factorization.

712118938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356059471.

The product of its digits is 24192, while the sum is 40.

The square root of 712118938 is about 26685.5567301865. The cubic root of 712118938 is about 892.9987380575.

The spelling of 712118938 in words is "seven hundred twelve million, one hundred eighteen thousand, nine hundred thirty-eight".