74932408321 has 16 divisors (see below), whose sum is σ = 80663457600. Its totient is φ = 69468211008.

The previous prime is 74932408237. The next prime is 74932408337. The reversal of 74932408321 is 12380423947.

It is a de Polignac number, because none of the positive numbers 2^k-74932408321 is a prime.

It is a super-4 number, since 4×74932408321⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74932408381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435666 + ... + 582811.

It is an arithmetic number, because the mean of its divisors is an integer number (5041466100).

Almost surely, 2^74932408321 is an apocalyptic number.

It is an amenable number.

74932408321 is a deficient number, since it is larger than the sum of its proper divisors (5731049279).

74932408321 is a wasteful number, since it uses less digits than its factorization.

74932408321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018608.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 74932408321 in words is "seventy-four billion, nine hundred thirty-two million, four hundred eight thousand, three hundred twenty-one".