74185475012 has 24 divisors (see below), whose sum is σ = 146510501760. Its totient is φ = 32557888160.

The previous prime is 74185474877. The next prime is 74185475081. The reversal of 74185475012 is 21057458147.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 29068268 + ... + 29070819.

It is an arithmetic number, because the mean of its divisors is an integer number (6104604240).

Almost surely, 2^74185475012 is an apocalyptic number.

It is an amenable number.

74185475012 is a deficient number, since it is larger than the sum of its proper divisors (72325026748).

74185475012 is a wasteful number, since it uses less digits than its factorization.

74185475012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58139131 (or 58139129 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 44.

The spelling of 74185475012 in words is "seventy-four billion, one hundred eighty-five million, four hundred seventy-five thousand, twelve".