74564227616 has 24 divisors (see below), whose sum is σ = 149921694720. Its totient is φ = 36488876608.

The previous prime is 74564227613. The next prime is 74564227631. The reversal of 74564227616 is 61672246547.

It is not an unprimeable number, because it can be changed into a prime (74564227613) 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, 24787136 + ... + 24790143.

It is an arithmetic number, because the mean of its divisors is an integer number (6246737280).

Almost surely, 2^74564227616 is an apocalyptic number.

It is an amenable number.

74564227616 is an abundant number, since it is smaller than the sum of its proper divisors (75357467104).

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

74564227616 is a wasteful number, since it uses less digits than its factorization.

74564227616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49577336 (or 49577328 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The spelling of 74564227616 in words is "seventy-four billion, five hundred sixty-four million, two hundred twenty-seven thousand, six hundred sixteen".