74392199424 has 432 divisors, whose sum is σ = 229008124800. Its totient is φ = 23188537344.

The previous prime is 74392199383. The next prime is 74392199437. The reversal of 74392199424 is 42499129347.

74392199424 is a `hidden beast` number, since 7 + 43 + 92 + 1 + 99 + 424 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445462189 + ... + 445462355.

It is an arithmetic number, because the mean of its divisors is an integer number (530111400).

Almost surely, 2^74392199424 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 74392199424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114504062400).

74392199424 is an abundant number, since it is smaller than the sum of its proper divisors (154615925376).

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

74392199424 is a wasteful number, since it uses less digits than its factorization.

74392199424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 373 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 74392199424 in words is "seventy-four billion, three hundred ninety-two million, one hundred ninety-nine thousand, four hundred twenty-four".