712772126 has 32 divisors (see below), whose sum is σ = 1197939456. Its totient is φ = 315256000.

The previous prime is 712772113. The next prime is 712772153. The reversal of 712772126 is 621277217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452921 + ... + 454491.

It is an arithmetic number, because the mean of its divisors is an integer number (37435608).

Almost surely, 2^712772126 is an apocalyptic number.

712772126 is a deficient number, since it is larger than the sum of its proper divisors (485167330).

712772126 is a wasteful number, since it uses less digits than its factorization.

712772126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128.

The product of its digits is 16464, while the sum is 35.

The square root of 712772126 is about 26697.7925304696. The cubic root of 712772126 is about 893.2716876907.

The spelling of 712772126 in words is "seven hundred twelve million, seven hundred seventy-two thousand, one hundred twenty-six".