74392788612 has 48 divisors (see below), whose sum is σ = 174398579712. Its totient is φ = 24681252000.

The previous prime is 74392788611. The next prime is 74392788629. The reversal of 74392788612 is 21688729347.

It is not an unprimeable number, because it can be changed into a prime (74392788611) 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 15 ways as a sum of consecutive naturals, for example, 4639513 + ... + 4655519.

It is an arithmetic number, because the mean of its divisors is an integer number (3633303744).

Almost surely, 2^74392788612 is an apocalyptic number.

It is an amenable number.

74392788612 is an abundant number, since it is smaller than the sum of its proper divisors (100005791100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74392788612 is a wasteful number, since it uses less digits than its factorization.

74392788612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17808 (or 17806 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The spelling of 74392788612 in words is "seventy-four billion, three hundred ninety-two million, seven hundred eighty-eight thousand, six hundred twelve".