74951022072 has 32 divisors (see below), whose sum is σ = 187384268880. Its totient is φ = 24982778880.

The previous prime is 74951022061. The next prime is 74951022079. The reversal of 74951022072 is 27022015947.

It is a self number, because there is not a number n which added to its sum of digits gives 74951022072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74951022079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249438 + ... + 1308050.

Almost surely, 2^74951022072 is an apocalyptic number.

It is an amenable number.

74951022072 is an abundant number, since it is smaller than the sum of its proper divisors (112433246808).

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

74951022072 is a wasteful number, since it uses less digits than its factorization.

74951022072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111903 (or 111899 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 74951022072 in words is "seventy-four billion, nine hundred fifty-one million, twenty-two thousand, seventy-two".