749678613 has 8 divisors (see below), whose sum is σ = 999770976. Its totient is φ = 499686000.

The previous prime is 749678591. The next prime is 749678621. The reversal of 749678613 is 316876947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 749678613 - 2²⁹ = 212807701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749678663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158 + ... + 39063.

It is an arithmetic number, because the mean of its divisors is an integer number (124971372).

Almost surely, 2^749678613 is an apocalyptic number.

It is an amenable number.

749678613 is a deficient number, since it is larger than the sum of its proper divisors (250092363).

749678613 is a wasteful number, since it uses less digits than its factorization.

749678613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49875.

The product of its digits is 1524096, while the sum is 51.

The square root of 749678613 is about 27380.2595495368. The cubic root of 749678613 is about 908.4305003331.

The spelling of 749678613 in words is "seven hundred forty-nine million, six hundred seventy-eight thousand, six hundred thirteen".