74857055 has 48 divisors (see below), whose sum is σ = 118550880. Its totient is φ = 44851968.

The previous prime is 74857049. The next prime is 74857087. The reversal of 74857055 is 55075847.

It is not a de Polignac number, because 74857055 - 2⁴ = 74857039 is a prime.

It is a congruent number.

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, 59897 + ... + 61133.

It is an arithmetic number, because the mean of its divisors is an integer number (2469810).

Almost surely, 2^74857055 is an apocalyptic number.

74857055 is a deficient number, since it is larger than the sum of its proper divisors (43693825).

74857055 is a wasteful number, since it uses less digits than its factorization.

74857055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 74857055 is about 8651.9971682843. The cubic root of 74857055 is about 421.4482411853.

The spelling of 74857055 in words is "seventy-four million, eight hundred fifty-seven thousand, fifty-five".