74170274321 has 128 divisors (see below), whose sum is σ = 98322481152. Its totient is φ = 54899712000.

The previous prime is 74170274309. The next prime is 74170274411. The reversal of 74170274321 is 12347207147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74170274321 is a prime.

It is a super-2 number, since 2×74170274321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74170274621) 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 127 ways as a sum of consecutive naturals, for example, 332602016 + ... + 332602238.

It is an arithmetic number, because the mean of its divisors is an integer number (768144384).

Almost surely, 2^74170274321 is an apocalyptic number.

74170274321 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

74170274321 is a deficient number, since it is larger than the sum of its proper divisors (24152206831).

74170274321 is a wasteful number, since it uses less digits than its factorization.

74170274321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 74170274321 in words is "seventy-four billion, one hundred seventy million, two hundred seventy-four thousand, three hundred twenty-one".