74338392 has 64 divisors (see below), whose sum is σ = 195540480. Its totient is φ = 23505152.

The previous prime is 74338391. The next prime is 74338409. The reversal of 74338392 is 29383347.

It is a self number, because there is not a number n which added to its sum of digits gives 74338392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74338391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75133 + ... + 76115.

It is an arithmetic number, because the mean of its divisors is an integer number (3055320).

Almost surely, 2^74338392 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 74338392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97770240).

74338392 is an abundant number, since it is smaller than the sum of its proper divisors (121202088).

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

74338392 is a wasteful number, since it uses less digits than its factorization.

74338392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1148 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 74338392 is about 8621.9714682896. The cubic root of 74338392 is about 420.4726198957.

The spelling of 74338392 in words is "seventy-four million, three hundred thirty-eight thousand, three hundred ninety-two".