74713320 has 256 divisors, whose sum is σ = 286848000. Its totient is φ = 17107200.

The previous prime is 74713319. The next prime is 74713333. The reversal of 74713320 is 2331747.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225555 + ... + 225885.

It is an arithmetic number, because the mean of its divisors is an integer number (1120500).

Almost surely, 2^74713320 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 74713320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143424000).

74713320 is an abundant number, since it is smaller than the sum of its proper divisors (212134680).

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

74713320 is a wasteful number, since it uses less digits than its factorization.

74713320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 74713320 is about 8643.6867134343. The cubic root of 74713320 is about 421.1783237358.

The spelling of 74713320 in words is "seventy-four million, seven hundred thirteen thousand, three hundred twenty".