74989718895 has 64 divisors (see below), whose sum is σ = 156358702080. Its totient is φ = 29782591488.

The previous prime is 74989718873. The next prime is 74989718977. The reversal of 74989718895 is 59881798947.

It is not a de Polignac number, because 74989718895 - 2⁶ = 74989718831 is a prime.

It is a super-2 number, since 2×74989718895² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1592605 + ... + 1639014.

It is an arithmetic number, because the mean of its divisors is an integer number (2443104720).

Almost surely, 2^74989718895 is an apocalyptic number.

74989718895 is an abundant number, since it is smaller than the sum of its proper divisors (81368983185).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74989718895 is a wasteful number, since it uses less digits than its factorization.

74989718895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231664.

The product of its digits is 365783040, while the sum is 75.

The spelling of 74989718895 in words is "seventy-four billion, nine hundred eighty-nine million, seven hundred eighteen thousand, eight hundred ninety-five".