749314513 has 8 divisors (see below), whose sum is σ = 755545032. Its totient is φ = 743095296.

The previous prime is 749314487. The next prime is 749314523. The reversal of 749314513 is 315413947.

It can be written as a sum of positive squares in 4 ways, for example, as 546764689 + 202549824 = 23383^2 + 14232^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749314513 is a prime.

It is a super-2 number, since 2×749314513² = 1122944478784854338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749314523) 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, 175581 + ... + 179797.

It is an arithmetic number, because the mean of its divisors is an integer number (94443129).

Almost surely, 2^749314513 is an apocalyptic number.

It is an amenable number.

749314513 is a deficient number, since it is larger than the sum of its proper divisors (6230519).

749314513 is a wasteful number, since it uses less digits than its factorization.

749314513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651.

The product of its digits is 45360, while the sum is 37.

The square root of 749314513 is about 27373.6097911839. The cubic root of 749314513 is about 908.2834092547.

The spelling of 749314513 in words is "seven hundred forty-nine million, three hundred fourteen thousand, five hundred thirteen".