74223759440 has 40 divisors (see below), whose sum is σ = 172744562688. Its totient is φ = 29659512960.

The previous prime is 74223759437. The next prime is 74223759487. The reversal of 74223759440 is 4495732247.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×74223759440² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388832 + ... + 547391.

Almost surely, 2^74223759440 is an apocalyptic number.

It is an amenable number.

74223759440 is an abundant number, since it is smaller than the sum of its proper divisors (98520803248).

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

74223759440 is a wasteful number, since it uses less digits than its factorization.

74223759440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937227 (or 937221 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 74223759440 in words is "seventy-four billion, two hundred twenty-three million, seven hundred fifty-nine thousand, four hundred forty".