74531316 has 72 divisors (see below), whose sum is σ = 188177472. Its totient is φ = 22915200.

The previous prime is 74531309. The next prime is 74531323. The reversal of 74531316 is 61313547.

It is an interprime number because it is at equal distance from previous prime (74531309) and next prime (74531323).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265096 + ... + 265376.

It is an arithmetic number, because the mean of its divisors is an integer number (2613576).

Almost surely, 2^74531316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74531316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94088736).

74531316 is an abundant number, since it is smaller than the sum of its proper divisors (113646156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74531316 is a wasteful number, since it uses less digits than its factorization.

74531316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 340 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 74531316 is about 8633.1521473909. The cubic root of 74531316 is about 420.8360444313.

It can be divided in two parts, 74531 and 316, that added together give a palindrome (74847).

The spelling of 74531316 in words is "seventy-four million, five hundred thirty-one thousand, three hundred sixteen".