74173045616 has 40 divisors (see below), whose sum is σ = 145492094160. Its totient is φ = 36627009536.

The previous prime is 74173045603. The next prime is 74173045637. The reversal of 74173045616 is 61654037147.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4683920 + ... + 4699728.

It is an arithmetic number, because the mean of its divisors is an integer number (3637302354).

Almost surely, 2^74173045616 is an apocalyptic number.

It is an amenable number.

74173045616 is a deficient number, since it is larger than the sum of its proper divisors (71319048544).

74173045616 is a wasteful number, since it uses less digits than its factorization.

74173045616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19433 (or 19427 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 74173045616 in words is "seventy-four billion, one hundred seventy-three million, forty-five thousand, six hundred sixteen".