74700900 has 144 divisors (see below), whose sum is σ = 244081600. Its totient is φ = 19595520.

The previous prime is 74700887. The next prime is 74700919. The reversal of 74700900 is 900747.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 196911 + ... + 197289.

Almost surely, 2^74700900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74700900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122040800).

74700900 is an abundant number, since it is smaller than the sum of its proper divisors (169380700).

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

74700900 is a wasteful number, since it uses less digits than its factorization.

74700900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 74700900 is about 8642.9682401360. The cubic root of 74700900 is about 421.1549841908.

The spelling of 74700900 in words is "seventy-four million, seven hundred thousand, nine hundred".