74744302320 has 60 divisors (see below), whose sum is σ = 251016284376. Its totient is φ = 19931813760.

The previous prime is 74744302309. The next prime is 74744302357. The reversal of 74744302320 is 2320344747.

It is a tau number, because it is divible by the number of its divisors (60).

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 11 ways as a sum of consecutive naturals, for example, 51905046 + ... + 51906485.

Almost surely, 2^74744302320 is an apocalyptic number.

It is an amenable number.

74744302320 is an abundant number, since it is smaller than the sum of its proper divisors (176271982056).

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

74744302320 is a wasteful number, since it uses less digits than its factorization.

74744302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103811550 (or 103811541 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 36.

The spelling of 74744302320 in words is "seventy-four billion, seven hundred forty-four million, three hundred two thousand, three hundred twenty".