712722746 has 4 divisors (see below), whose sum is σ = 1069084122. Its totient is φ = 356361372.

The previous prime is 712722733. The next prime is 712722757. The reversal of 712722746 is 647227217.

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., 701667121 + 11055625 = 26489^2 + 3325^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178180685 + ... + 178180688.

Almost surely, 2^712722746 is an apocalyptic number.

712722746 is a deficient number, since it is larger than the sum of its proper divisors (356361376).

712722746 is a wasteful number, since it uses less digits than its factorization.

712722746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356361375.

The product of its digits is 65856, while the sum is 38.

The square root of 712722746 is about 26696.8677188917. The cubic root of 712722746 is about 893.2510589497.

The spelling of 712722746 in words is "seven hundred twelve million, seven hundred twenty-two thousand, seven hundred forty-six".