74919239796 has 96 divisors (see below), whose sum is σ = 192115123200. Its totient is φ = 22617999360.

The previous prime is 74919239783. The next prime is 74919239849. The reversal of 74919239796 is 69793291947.

It is a super-2 number, since 2×74919239796² (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 31 ways as a sum of consecutive naturals, for example, 17465620 + ... + 17469908.

It is an arithmetic number, because the mean of its divisors is an integer number (2001199200).

Almost surely, 2^74919239796 is an apocalyptic number.

74919239796 is a gapful number since it is divisible by the number (76) 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 74919239796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96057561600).

74919239796 is an abundant number, since it is smaller than the sum of its proper divisors (117195883404).

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

74919239796 is a wasteful number, since it uses less digits than its factorization.

74919239796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669 (or 7667 counting only the distinct ones).

The product of its digits is 46294416, while the sum is 66.

The spelling of 74919239796 in words is "seventy-four billion, nine hundred nineteen million, two hundred thirty-nine thousand, seven hundred ninety-six".