747230631 has 32 divisors (see below), whose sum is σ = 1213106688. Its totient is φ = 399375360.

The previous prime is 747230599. The next prime is 747230639. The reversal of 747230631 is 136032747.

It is not a de Polignac number, because 747230631 - 2⁵ = 747230599 is a prime.

It is a super-2 number, since 2×747230631² = 1116707231809316322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 747230592 and 747230601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747230639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51771 + ... + 64611.

It is an arithmetic number, because the mean of its divisors is an integer number (37909584).

Almost surely, 2^747230631 is an apocalyptic number.

747230631 is a deficient number, since it is larger than the sum of its proper divisors (465876057).

747230631 is a wasteful number, since it uses less digits than its factorization.

747230631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 747230631 is about 27335.5195853307. The cubic root of 747230631 is about 907.4406332921.

The spelling of 747230631 in words is "seven hundred forty-seven million, two hundred thirty thousand, six hundred thirty-one".