74219900 has 18 divisors (see below), whose sum is σ = 161057400. Its totient is φ = 29687920.

The previous prime is 74219879. The next prime is 74219911. The reversal of 74219900 is 991247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371000 + ... + 371199.

Almost surely, 2^74219900 is an apocalyptic number.

It is an amenable number.

74219900 is an abundant number, since it is smaller than the sum of its proper divisors (86837500).

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

74219900 is a wasteful number, since it uses less digits than its factorization.

74219900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742213 (or 742206 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 74219900 is about 8615.0972136129. The cubic root of 74219900 is about 420.2490963772.

The spelling of 74219900 in words is "seventy-four million, two hundred nineteen thousand, nine hundred".