74849980 has 24 divisors (see below), whose sum is σ = 166431888. Its totient is φ = 28178688.

The previous prime is 74849959. The next prime is 74849993. The reversal of 74849980 is 8994847.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109734 + ... + 110413.

It is an arithmetic number, because the mean of its divisors is an integer number (6934662).

Almost surely, 2^74849980 is an apocalyptic number.

It is an amenable number.

74849980 is an abundant number, since it is smaller than the sum of its proper divisors (91581908).

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

74849980 is a wasteful number, since it uses less digits than its factorization.

74849980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220173 (or 220171 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 74849980 is about 8651.5882934869. The cubic root of 74849980 is about 421.4349632551.

The spelling of 74849980 in words is "seventy-four million, eight hundred forty-nine thousand, nine hundred eighty".