74937873946 has 8 divisors (see below), whose sum is σ = 121053488724. Its totient is φ = 34586711040.

The previous prime is 74937873931. The next prime is 74937873947. The reversal of 74937873946 is 64937873947.

It can be written as a sum of positive squares in 2 ways, for example, as 62407534225 + 12530339721 = 249815^2 + 111939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×74937873946² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74937873947) by changing a digit.

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, 1441112935 + ... + 1441112986.

Almost surely, 2^74937873946 is an apocalyptic number.

74937873946 is a deficient number, since it is larger than the sum of its proper divisors (46115614778).

74937873946 is a wasteful number, since it uses less digits than its factorization.

74937873946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882225936.

The product of its digits is 192036096, while the sum is 67.

Subtracting from 74937873946 its reverse (64937873947), we obtain a palindrome (9999999999).

The spelling of 74937873946 in words is "seventy-four billion, nine hundred thirty-seven million, eight hundred seventy-three thousand, nine hundred forty-six".