74949793792 has 192 divisors, whose sum is σ = 160363476000. Its totient is φ = 34962407424.

The previous prime is 74949793771. The next prime is 74949793799. The reversal of 74949793792 is 29739794947.

It is a super-3 number, since 3×74949793792³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74949793799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255801198 + ... + 255801490.

Almost surely, 2^74949793792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74949793792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80181738000).

74949793792 is an abundant number, since it is smaller than the sum of its proper divisors (85413682208).

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

74949793792 is a wasteful number, since it uses less digits than its factorization.

74949793792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 456 counting only the distinct ones).

The product of its digits is 216040608, while the sum is 70.

The spelling of 74949793792 in words is "seventy-four billion, nine hundred forty-nine million, seven hundred ninety-three thousand, seven hundred ninety-two".