74980988 has 6 divisors (see below), whose sum is σ = 131216736. Its totient is φ = 37490492.

The previous prime is 74980967. The next prime is 74981003. The reversal of 74980988 is 88908947.

It is a super-2 number, since 2×74980988² = 11244297122912288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9372620 + ... + 9372627.

It is an arithmetic number, because the mean of its divisors is an integer number (21869456).

Almost surely, 2^74980988 is an apocalyptic number.

It is an amenable number.

74980988 is a deficient number, since it is larger than the sum of its proper divisors (56235748).

74980988 is a wasteful number, since it uses less digits than its factorization.

74980988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18745251 (or 18745249 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 74980988 is about 8659.1563099415. The cubic root of 74980988 is about 421.6806955465.

The spelling of 74980988 in words is "seventy-four million, nine hundred eighty thousand, nine hundred eighty-eight".