749013513 has 16 divisors (see below), whose sum is σ = 1008307200. Its totient is φ = 494554896.

The previous prime is 749013491. The next prime is 749013521. The reversal of 749013513 is 315310947.

It is not a de Polignac number, because 749013513 - 2⁵ = 749013481 is a prime.

It is a super-2 number, since 2×749013513² = 1122042485313202338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749013563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132756 + ... + 138282.

It is an arithmetic number, because the mean of its divisors is an integer number (63019200).

Almost surely, 2^749013513 is an apocalyptic number.

It is an amenable number.

749013513 is a deficient number, since it is larger than the sum of its proper divisors (259293687).

749013513 is a wasteful number, since it uses less digits than its factorization.

749013513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 749013513 is about 27368.1112428315. Note that the first 3 decimals coincide. The cubic root of 749013513 is about 908.1617736722.

The spelling of 749013513 in words is "seven hundred forty-nine million, thirteen thousand, five hundred thirteen".