44974013 has 6 divisors (see below), whose sum is σ = 52316766. Its totient is φ = 38549112.

The previous prime is 44974009. The next prime is 44974037. The reversal of 44974013 is 31047944.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42471289 + 2502724 = 6517^2 + 1582^2 .

It is not a de Polignac number, because 44974013 - 2² = 44974009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44974073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458870 + ... + 458967.

It is an arithmetic number, because the mean of its divisors is an integer number (8719461).

Almost surely, 2^44974013 is an apocalyptic number.

It is an amenable number.

44974013 is a deficient number, since it is larger than the sum of its proper divisors (7342753).

44974013 is an equidigital number, since it uses as much as digits as its factorization.

44974013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917851 (or 917844 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 44974013 is about 6706.2666961582. The cubic root of 44974013 is about 355.6208483860.

The spelling of 44974013 in words is "forty-four million, nine hundred seventy-four thousand, thirteen".