74922133440 has 448 divisors, whose sum is σ = 314025735168. Its totient is φ = 14652211200.

The previous prime is 74922133421. The next prime is 74922133463. The reversal of 74922133440 is 4433122947.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×74922133440² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1226830 + ... + 1286450.

Almost surely, 2^74922133440 is an apocalyptic number.

74922133440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74922133440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157012867584).

74922133440 is an abundant number, since it is smaller than the sum of its proper divisors (239103601728).

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

74922133440 is a wasteful number, since it uses less digits than its factorization.

74922133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59676 (or 59666 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 74922133440 in words is "seventy-four billion, nine hundred twenty-two million, one hundred thirty-three thousand, four hundred forty".