74444313 has 12 divisors (see below), whose sum is σ = 99906000. Its totient is φ = 49307976.

The previous prime is 74444297. The next prime is 74444323. The reversal of 74444313 is 31344447.

It is not a de Polignac number, because 74444313 - 2⁴ = 74444297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74444323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148938 + ... + 149436.

It is an arithmetic number, because the mean of its divisors is an integer number (8325500).

Almost surely, 2^74444313 is an apocalyptic number.

It is an amenable number.

74444313 is a deficient number, since it is larger than the sum of its proper divisors (25461687).

74444313 is an equidigital number, since it uses as much as digits as its factorization.

74444313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 725 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 74444313 is about 8628.1117864803. Note that the first 3 decimals coincide. The cubic root of 74444313 is about 420.6722284834.

The spelling of 74444313 in words is "seventy-four million, four hundred forty-four thousand, three hundred thirteen".