74639341131 has 8 divisors (see below), whose sum is σ = 99520733904. Its totient is φ = 49758754560.

The previous prime is 74639341129. The next prime is 74639341151. The reversal of 74639341131 is 13114393647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74639341131 - 2¹ = 74639341129 is a prime.

It is a super-2 number, since 2×74639341131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74639341121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64735 + ... + 391751.

It is an arithmetic number, because the mean of its divisors is an integer number (12440091738).

Almost surely, 2^74639341131 is an apocalyptic number.

74639341131 is a deficient number, since it is larger than the sum of its proper divisors (24881392773).

74639341131 is a wasteful number, since it uses less digits than its factorization.

74639341131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403101.

The product of its digits is 163296, while the sum is 42.

The spelling of 74639341131 in words is "seventy-four billion, six hundred thirty-nine million, three hundred forty-one thousand, one hundred thirty-one".