748318631 has 12 divisors (see below), whose sum is σ = 809594928. Its totient is φ = 689280192.

The previous prime is 748318619. The next prime is 748318661. The reversal of 748318631 is 136813847.

It is not a de Polignac number, because 748318631 - 2⁶ = 748318567 is a prime.

It is a super-2 number, since 2×748318631² = 1119961547003428322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748318601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27590 + ... + 47516.

It is an arithmetic number, because the mean of its divisors is an integer number (67466244).

Almost surely, 2^748318631 is an apocalyptic number.

748318631 is a deficient number, since it is larger than the sum of its proper divisors (61276297).

748318631 is a wasteful number, since it uses less digits than its factorization.

748318631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20038 (or 19991 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 748318631 is about 27355.4131937355. The cubic root of 748318631 is about 907.8808439285.

The spelling of 748318631 in words is "seven hundred forty-eight million, three hundred eighteen thousand, six hundred thirty-one".