74792055 has 16 divisors (see below), whose sum is σ = 128872800. Its totient is φ = 36820608.

The previous prime is 74792051. The next prime is 74792071. The reversal of 74792055 is 55029747.

It is not a de Polignac number, because 74792055 - 2² = 74792051 is a prime.

It is a super-2 number, since 2×74792055² = 11187702982246050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74792051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191580 + ... + 191969.

It is an arithmetic number, because the mean of its divisors is an integer number (8054550).

Almost surely, 2^74792055 is an apocalyptic number.

74792055 is a deficient number, since it is larger than the sum of its proper divisors (54080745).

74792055 is a wasteful number, since it uses less digits than its factorization.

74792055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383570.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 74792055 is about 8648.2399943572. The cubic root of 74792055 is about 421.3262216532.

The spelling of 74792055 in words is "seventy-four million, seven hundred ninety-two thousand, fifty-five".