74622007680 has 128 divisors (see below), whose sum is σ = 259481145600. Its totient is φ = 18090178560.

The previous prime is 74622007589. The next prime is 74622007693. The reversal of 74622007680 is 8670022647.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1745500 + ... + 1787739.

It is an arithmetic number, because the mean of its divisors is an integer number (2027196450).

Almost surely, 2^74622007680 is an apocalyptic number.

It is an amenable number.

74622007680 is an abundant number, since it is smaller than the sum of its proper divisors (184859137920).

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

74622007680 is a wasteful number, since it uses less digits than its factorization.

74622007680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533272 (or 3533260 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 74622007680 in words is "seventy-four billion, six hundred twenty-two million, seven thousand, six hundred eighty".