712269891 has 24 divisors (see below), whose sum is σ = 1089288720. Its totient is φ = 447235776.

The previous prime is 712269871. The next prime is 712269949. The reversal of 712269891 is 198962217.

It is not a de Polignac number, because 712269891 - 2⁶ = 712269827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (712269871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17545 + ... + 41621.

It is an arithmetic number, because the mean of its divisors is an integer number (45387030).

Almost surely, 2^712269891 is an apocalyptic number.

712269891 is a deficient number, since it is larger than the sum of its proper divisors (377018829).

712269891 is a wasteful number, since it uses less digits than its factorization.

712269891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24275 (or 24272 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 712269891 is about 26688.3849455152. The cubic root of 712269891 is about 893.0618320659.

The spelling of 712269891 in words is "seven hundred twelve million, two hundred sixty-nine thousand, eight hundred ninety-one".