74993115120 has 320 divisors, whose sum is σ = 290437125120. Its totient is φ = 15551078400.

The previous prime is 74993115049. The next prime is 74993115139. The reversal of 74993115120 is 2151139947.

It is a super-2 number, since 2×74993115120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 9624186 + ... + 9631974.

It is an arithmetic number, because the mean of its divisors is an integer number (907616016).

Almost surely, 2^74993115120 is an apocalyptic number.

74993115120 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 74993115120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145218562560).

74993115120 is an abundant number, since it is smaller than the sum of its proper divisors (215444010000).

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

74993115120 is a wasteful number, since it uses less digits than its factorization.

74993115120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344 (or 8338 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 74993115120 in words is "seventy-four billion, nine hundred ninety-three million, one hundred fifteen thousand, one hundred twenty".