74734133400 has 72 divisors (see below), whose sum is σ = 250982137380. Its totient is φ = 19929101760.

The previous prime is 74734133363. The next prime is 74734133413. The reversal of 74734133400 is 433143747.

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20757682 + ... + 20761281.

Almost surely, 2^74734133400 is an apocalyptic number.

It is an amenable number.

74734133400 is an abundant number, since it is smaller than the sum of its proper divisors (176248003980).

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

74734133400 is a wasteful number, since it uses less digits than its factorization.

74734133400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41518985 (or 41518973 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The spelling of 74734133400 in words is "seventy-four billion, seven hundred thirty-four million, one hundred thirty-three thousand, four hundred".