749480739 has 16 divisors (see below), whose sum is σ = 1142511360. Its totient is φ = 428107680.

The previous prime is 749480731. The next prime is 749480741. The reversal of 749480739 is 937084947.

It is a happy number.

It is not a de Polignac number, because 749480739 - 2³ = 749480731 is a prime.

It is a super-2 number, since 2×749480739² = 1123442756263972242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749480691 and 749480700.

It is not an unprimeable number, because it can be changed into a prime (749480731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65904 + ... + 76434.

It is an arithmetic number, because the mean of its divisors is an integer number (71406960).

Almost surely, 2^749480739 is an apocalyptic number.

749480739 is a deficient number, since it is larger than the sum of its proper divisors (393030621).

749480739 is a wasteful number, since it uses less digits than its factorization.

749480739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13930.

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

The square root of 749480739 is about 27376.6458683309. The cubic root of 749480739 is about 908.3505680389.

The spelling of 749480739 in words is "seven hundred forty-nine million, four hundred eighty thousand, seven hundred thirty-nine".