74442313 has 16 divisors (see below), whose sum is σ = 83761920. Its totient is φ = 65577600.

The previous prime is 74442307. The next prime is 74442343. The reversal of 74442313 is 31324447.

It is a de Polignac number, because none of the positive numbers 2^k-74442313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74442343) 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, 55693 + ... + 57013.

It is an arithmetic number, because the mean of its divisors is an integer number (5235120).

Almost surely, 2^74442313 is an apocalyptic number.

It is an amenable number.

74442313 is a deficient number, since it is larger than the sum of its proper divisors (9319607).

74442313 is a wasteful number, since it uses less digits than its factorization.

74442313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488.

The product of its digits is 8064, while the sum is 28.

The square root of 74442313 is about 8627.9958854881. The cubic root of 74442313 is about 420.6684612290.

The spelling of 74442313 in words is "seventy-four million, four hundred forty-two thousand, three hundred thirteen".