74343900 has 36 divisors (see below), whose sum is σ = 215102552. Its totient is φ = 19824960.

The previous prime is 74343883. The next prime is 74343911. The reversal of 74343900 is 934347.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123607 + ... + 124206.

Almost surely, 2^74343900 is an apocalyptic number.

It is an amenable number.

74343900 is an abundant number, since it is smaller than the sum of its proper divisors (140758652).

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

74343900 is a wasteful number, since it uses less digits than its factorization.

74343900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247830 (or 247823 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 74343900 is about 8622.2908788790. The cubic root of 74343900 is about 420.4830044176.

The spelling of 74343900 in words is "seventy-four million, three hundred forty-three thousand, nine hundred".