74953800 has 72 divisors (see below), whose sum is σ = 251725890. Its totient is φ = 19987200.

The previous prime is 74953787. The next prime is 74953829. The reversal of 74953800 is 835947.

It can be written as a sum of positive squares in 3 ways, for example, as 72897444 + 2056356 = 8538^2 + 1434^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19021 + ... + 22620.

Almost surely, 2^74953800 is an apocalyptic number.

It is an amenable number.

74953800 is an abundant number, since it is smaller than the sum of its proper divisors (176772090).

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

74953800 is a wasteful number, since it uses less digits than its factorization.

74953800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41663 (or 41651 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 74953800 is about 8657.5862687010. The cubic root of 74953800 is about 421.6297224442.

The spelling of 74953800 in words is "seventy-four million, nine hundred fifty-three thousand, eight hundred".