74926662720 has 896 divisors, whose sum is σ = 307183779840. Its totient is φ = 15049359360.

The previous prime is 74926662719. The next prime is 74926662749. The reversal of 74926662720 is 2726662947.

It is a super-2 number, since 2×74926662720² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 197695491 + ... + 197695869.

It is an arithmetic number, because the mean of its divisors is an integer number (342839040).

Almost surely, 2^74926662720 is an apocalyptic number.

74926662720 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 74926662720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153591889920).

74926662720 is an abundant number, since it is smaller than the sum of its proper divisors (232257117120).

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

74926662720 is a wasteful number, since it uses less digits than its factorization.

74926662720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 74926662720 in words is "seventy-four billion, nine hundred twenty-six million, six hundred sixty-two thousand, seven hundred twenty".