74927344372947 has 48 divisors (see below), whose sum is σ = 121260998612832. Its totient is φ = 44182231695360.

The previous prime is 74927344372931. The next prime is 74927344372967.

74927344372947 is a `hidden beast` number, since 7 + 4 + 9 + 2 + 73 + 443 + 72 + 9 + 47 = 666.

74927344372947 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74927344372947 - 2⁴ = 74927344372931 is a prime.

It is a super-2 number, since 2×74927344372947² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74927344372967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188508243 + ... + 188905299.

It is an arithmetic number, because the mean of its divisors is an integer number (2526270804434).

Almost surely, 2^{74927344372947} is an apocalyptic number.

74927344372947 is a deficient number, since it is larger than the sum of its proper divisors (46333654239885).

74927344372947 is a wasteful number, since it uses less digits than its factorization.

74927344372947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448628 (or 448625 counting only the distinct ones).

The product of its digits is 1792336896, while the sum is 72.

The spelling of 74927344372947 in words is "seventy-four trillion, nine hundred twenty-seven billion, three hundred forty-four million, three hundred seventy-two thousand, nine hundred forty-seven".