74945755 has 16 divisors (see below), whose sum is σ = 93570048. Its totient is φ = 57564000.

The previous prime is 74945729. The next prime is 74945779. The reversal of 74945755 is 55754947.

It is not a de Polignac number, because 74945755 - 2⁷ = 74945627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18460 + ... + 22150.

It is an arithmetic number, because the mean of its divisors is an integer number (5848128).

Almost surely, 2^74945755 is an apocalyptic number.

74945755 is a deficient number, since it is larger than the sum of its proper divisors (18624293).

74945755 is a wasteful number, since it uses less digits than its factorization.

74945755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858.

The product of its digits is 882000, while the sum is 46.

The square root of 74945755 is about 8657.1216348160. The cubic root of 74945755 is about 421.6146370072.

The spelling of 74945755 in words is "seventy-four million, nine hundred forty-five thousand, seven hundred fifty-five".