748676631 has 4 divisors (see below), whose sum is σ = 998235512. Its totient is φ = 499117752.

The previous prime is 748676609. The next prime is 748676639. The reversal of 748676631 is 136676847.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 748676631 - 2⁷ = 748676503 is a prime.

It is a super-2 number, since 2×748676631² = 1121033395611020322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748676639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124779436 + ... + 124779441.

It is an arithmetic number, because the mean of its divisors is an integer number (249558878).

Almost surely, 2^748676631 is an apocalyptic number.

748676631 is a deficient number, since it is larger than the sum of its proper divisors (249558881).

748676631 is a wasteful number, since it uses less digits than its factorization.

748676631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249558880.

The product of its digits is 1016064, while the sum is 48.

The square root of 748676631 is about 27361.9559059655. The cubic root of 748676631 is about 908.0255993449.

The spelling of 748676631 in words is "seven hundred forty-eight million, six hundred seventy-six thousand, six hundred thirty-one".