74939604155 has 8 divisors (see below), whose sum is σ = 96845026992. Its totient is φ = 55340015328.

The previous prime is 74939604137. The next prime is 74939604169. The reversal of 74939604155 is 55140693947.

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

It is not a de Polignac number, because 74939604155 - 2¹⁴ = 74939587771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74939604097 and 74939604106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576458429 + ... + 576458558.

It is an arithmetic number, because the mean of its divisors is an integer number (12105628374).

Almost surely, 2^74939604155 is an apocalyptic number.

74939604155 is a deficient number, since it is larger than the sum of its proper divisors (21905422837).

74939604155 is a wasteful number, since it uses less digits than its factorization.

74939604155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152917005.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 74939604155 in words is "seventy-four billion, nine hundred thirty-nine million, six hundred four thousand, one hundred fifty-five".