74022915840 has 72 divisors (see below), whose sum is σ = 236410699728. Its totient is φ = 19739443200.

The previous prime is 74022915833. The next prime is 74022915853. The reversal of 74022915840 is 4851922047.

It is a junction number, because it is equal to n+sod(n) for n = 74022915792 and 74022915801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9634561 + ... + 9642240.

Almost surely, 2^74022915840 is an apocalyptic number.

It is an amenable number.

74022915840 is an abundant number, since it is smaller than the sum of its proper divisors (162387783888).

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

74022915840 is a wasteful number, since it uses less digits than its factorization.

74022915840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19276825 (or 19276811 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 74022915840 in words is "seventy-four billion, twenty-two million, nine hundred fifteen thousand, eight hundred forty".