74743756172 has 12 divisors (see below), whose sum is σ = 130838003016. Its totient is φ = 37361469600.

The previous prime is 74743756127. The next prime is 74743756193. The reversal of 74743756172 is 27165734747.

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 3 ways as a sum of consecutive naturals, for example, 2585954 + ... + 2614697.

It is an arithmetic number, because the mean of its divisors is an integer number (10903166918).

Almost surely, 2^74743756172 is an apocalyptic number.

It is an amenable number.

74743756172 is a deficient number, since it is larger than the sum of its proper divisors (56094246844).

74743756172 is a wasteful number, since it uses less digits than its factorization.

74743756172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204248 (or 5204246 counting only the distinct ones).

The product of its digits is 6914880, while the sum is 53.

The spelling of 74743756172 in words is "seventy-four billion, seven hundred forty-three million, seven hundred fifty-six thousand, one hundred seventy-two".