74879955 has 24 divisors (see below), whose sum is σ = 130094640. Its totient is φ = 39842880.

The previous prime is 74879941. The next prime is 74879963. The reversal of 74879955 is 55997847.

It is not a de Polignac number, because 74879955 - 2⁴ = 74879939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20401 + ... + 23789.

It is an arithmetic number, because the mean of its divisors is an integer number (5420610).

Almost surely, 2^74879955 is an apocalyptic number.

74879955 is a deficient number, since it is larger than the sum of its proper divisors (55214685).

74879955 is a wasteful number, since it uses less digits than its factorization.

74879955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891 (or 3888 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 74879955 is about 8653.3204609560. The cubic root of 74879955 is about 421.4912127785.

The spelling of 74879955 in words is "seventy-four million, eight hundred seventy-nine thousand, nine hundred fifty-five".