74371730331 has 4 divisors (see below), whose sum is σ = 99162307112. Its totient is φ = 49581153552.

The previous prime is 74371730243. The next prime is 74371730351. The reversal of 74371730331 is 13303717347.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74371730331 - 2¹⁰ = 74371729307 is a prime.

It is a super-2 number, since 2×74371730331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74371730331.

It is not an unprimeable number, because it can be changed into a prime (74371730351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12395288386 + ... + 12395288391.

It is an arithmetic number, because the mean of its divisors is an integer number (24790576778).

Almost surely, 2^74371730331 is an apocalyptic number.

74371730331 is a deficient number, since it is larger than the sum of its proper divisors (24790576781).

74371730331 is a wasteful number, since it uses less digits than its factorization.

74371730331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24790576780.

The product of its (nonzero) digits is 111132, while the sum is 39.

The spelling of 74371730331 in words is "seventy-four billion, three hundred seventy-one million, seven hundred thirty thousand, three hundred thirty-one".