74725746144 has 96 divisors (see below), whose sum is σ = 225790306560. Its totient is φ = 21196588032.

The previous prime is 74725746119. The next prime is 74725746169. The reversal of 74725746144 is 44164752747.

It is an interprime number because it is at equal distance from previous prime (74725746119) and next prime (74725746169).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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, 306589 + ... + 493404.

It is an arithmetic number, because the mean of its divisors is an integer number (2351982360).

Almost surely, 2^74725746144 is an apocalyptic number.

It is an amenable number.

74725746144 is an abundant number, since it is smaller than the sum of its proper divisors (151064560416).

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

74725746144 is a wasteful number, since it uses less digits than its factorization.

74725746144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800152 (or 800144 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 51.

The spelling of 74725746144 in words is "seventy-four billion, seven hundred twenty-five million, seven hundred forty-six thousand, one hundred forty-four".