74855136 has 48 divisors (see below), whose sum is σ = 206841600. Its totient is φ = 23637888.

The previous prime is 74855101. The next prime is 74855159. The reversal of 74855136 is 63155847.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 74855094 and 74855103.

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, 18696 + ... + 22343.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^74855136 is an apocalyptic number.

74855136 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

74855136 is an abundant number, since it is smaller than the sum of its proper divisors (131986464).

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

74855136 is a wasteful number, since it uses less digits than its factorization.

74855136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41071 (or 41063 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 74855136 is about 8651.8862683232. The cubic root of 74855136 is about 421.4446398054. Note that the first 3 decimals are identical.

It can be divided in two parts, 7485 and 5136, that added together give a palindrome (12621).

The spelling of 74855136 in words is "seventy-four million, eight hundred fifty-five thousand, one hundred thirty-six".