74903409321 has 32 divisors (see below), whose sum is σ = 108046646400. Its totient is φ = 45883528704.

The previous prime is 74903409289. The next prime is 74903409359. The reversal of 74903409321 is 12390430947.

It is not a de Polignac number, because 74903409321 - 2⁵ = 74903409289 is a prime.

It is a super-2 number, since 2×74903409321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74903409391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9725130 + ... + 9732828.

It is an arithmetic number, because the mean of its divisors is an integer number (3376457700).

Almost surely, 2^74903409321 is an apocalyptic number.

It is an amenable number.

74903409321 is a deficient number, since it is larger than the sum of its proper divisors (33143237079).

74903409321 is a wasteful number, since it uses less digits than its factorization.

74903409321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8825.

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

The spelling of 74903409321 in words is "seventy-four billion, nine hundred three million, four hundred nine thousand, three hundred twenty-one".