749303013 has 16 divisors (see below), whose sum is σ = 1007340480. Its totient is φ = 495414144.

The previous prime is 749302949. The next prime is 749303017. The reversal of 749303013 is 310303947.

It is not a de Polignac number, because 749303013 - 2⁶ = 749302949 is a prime.

It is a super-2 number, since 2×749303013² = 1122910010581756338, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749303017) 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, 276895 + ... + 279587.

It is an arithmetic number, because the mean of its divisors is an integer number (62958780).

Almost surely, 2^749303013 is an apocalyptic number.

It is an amenable number.

749303013 is a deficient number, since it is larger than the sum of its proper divisors (258037467).

749303013 is a wasteful number, since it uses less digits than its factorization.

749303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 749303013 is about 27373.3997340484. The cubic root of 749303013 is about 908.2787626466.

The spelling of 749303013 in words is "seven hundred forty-nine million, three hundred three thousand, thirteen".