74154076664 has 32 divisors (see below), whose sum is σ = 142108257600. Its totient is φ = 36259776000.

The previous prime is 74154076657. The next prime is 74154076681. The reversal of 74154076664 is 46667045147.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408164 + ... + 561164.

It is an arithmetic number, because the mean of its divisors is an integer number (4440883050).

Almost surely, 2^74154076664 is an apocalyptic number.

It is an amenable number.

74154076664 is a deficient number, since it is larger than the sum of its proper divisors (67954180936).

74154076664 is a wasteful number, since it uses less digits than its factorization.

74154076664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154343 (or 154339 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 74154076664 in words is "seventy-four billion, one hundred fifty-four million, seventy-six thousand, six hundred sixty-four".