74821316 has 12 divisors (see below), whose sum is σ = 137828880. Its totient is φ = 35441640.

The previous prime is 74821309. The next prime is 74821349. The reversal of 74821316 is 61312847.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492170 + ... + 492321.

It is an arithmetic number, because the mean of its divisors is an integer number (11485740).

Almost surely, 2^74821316 is an apocalyptic number.

74821316 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

74821316 is a deficient number, since it is larger than the sum of its proper divisors (63007564).

74821316 is a wasteful number, since it uses less digits than its factorization.

74821316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984514 (or 984512 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 74821316 is about 8649.9315604229. The cubic root of 74821316 is about 421.3811598378.

The spelling of 74821316 in words is "seventy-four million, eight hundred twenty-one thousand, three hundred sixteen".