74310516 has 72 divisors (see below), whose sum is σ = 224025984. Its totient is φ = 20306880.

The previous prime is 74310479. The next prime is 74310521. The reversal of 74310516 is 61501347.

It is a self number, because there is not a number n which added to its sum of digits gives 74310516.

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, 615 + ... + 12206.

It is an arithmetic number, because the mean of its divisors is an integer number (3111472).

Almost surely, 2^74310516 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 74310516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112012992).

74310516 is an abundant number, since it is smaller than the sum of its proper divisors (149715468).

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

74310516 is a wasteful number, since it uses less digits than its factorization.

74310516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12861 (or 12856 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 74310516 is about 8620.3547490808. The cubic root of 74310516 is about 420.4200559385.

The spelling of 74310516 in words is "seventy-four million, three hundred ten thousand, five hundred sixteen".