74673900 has 216 divisors, whose sum is σ = 278037760. Its totient is φ = 17029440.

The previous prime is 74673889. The next prime is 74673913. The reversal of 74673900 is 937647.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 169881 + ... + 170319.

Almost surely, 2^74673900 is an apocalyptic number.

74673900 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74673900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139018880).

74673900 is an abundant number, since it is smaller than the sum of its proper divisors (203363860).

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

74673900 is a wasteful number, since it uses less digits than its factorization.

74673900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 74673900 is about 8641.4061355777. The cubic root of 74673900 is about 421.1042371233.

The spelling of 74673900 in words is "seventy-four million, six hundred seventy-three thousand, nine hundred".