74775631376 has 10 divisors (see below), whose sum is σ = 144877785822. Its totient is φ = 37387815680.

The previous prime is 74775631349. The next prime is 74775631379. The reversal of 74775631376 is 67313657747.

It can be written as a sum of positive squares in only one way, i.e., 43545672976 + 31229958400 = 208676^2 + 176720^2 .

It is not an unprimeable number, because it can be changed into a prime (74775631379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2336738465 + ... + 2336738496.

Almost surely, 2^74775631376 is an apocalyptic number.

It is an amenable number.

74775631376 is a deficient number, since it is larger than the sum of its proper divisors (70102154446).

74775631376 is a wasteful number, since it uses less digits than its factorization.

74775631376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673476969 (or 4673476963 counting only the distinct ones).

The product of its digits is 15558480, while the sum is 56.

The spelling of 74775631376 in words is "seventy-four billion, seven hundred seventy-five million, six hundred thirty-one thousand, three hundred seventy-six".