74566980 has 144 divisors (see below), whose sum is σ = 239104320. Its totient is φ = 19502208.

The previous prime is 74566939. The next prime is 74567023. The reversal of 74566980 is 8966547.

74566980 is a `hidden beast` number, since 7 + 4 + 566 + 9 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325506 + ... + 325734.

Almost surely, 2^74566980 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 74566980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119552160).

74566980 is an abundant number, since it is smaller than the sum of its proper divisors (164537340).

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

74566980 is a wasteful number, since it uses less digits than its factorization.

74566980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 74566980 is about 8635.2174263304. The cubic root of 74566980 is about 420.9031585170.

The spelling of 74566980 in words is "seventy-four million, five hundred sixty-six thousand, nine hundred eighty".