74220263488 has 56 divisors (see below), whose sum is σ = 173750695424. Its totient is φ = 30782592000.

The previous prime is 74220263461. The next prime is 74220263527. The reversal of 74220263488 is 88436202247.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×74220263488² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2658213 + ... + 2685988.

Almost surely, 2^74220263488 is an apocalyptic number.

It is an amenable number.

74220263488 is an abundant number, since it is smaller than the sum of its proper divisors (99530431936).

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

74220263488 is a wasteful number, since it uses less digits than its factorization.

74220263488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344251 (or 5344241 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 74220263488 in words is "seventy-four billion, two hundred twenty million, two hundred sixty-three thousand, four hundred eighty-eight".