74371392 has 112 divisors (see below), whose sum is σ = 220756480. Its totient is φ = 24551424.

The previous prime is 74371391. The next prime is 74371393. The reversal of 74371392 is 29317347.

It is an interprime number because it is at equal distance from previous prime (74371391) and next prime (74371393).

It is a super-2 number, since 2×74371392² = 11062207896035328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74371391) 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, 333393 + ... + 333615.

It is an arithmetic number, because the mean of its divisors is an integer number (1971040).

Almost surely, 2^74371392 is an apocalyptic number.

74371392 is a gapful number since it is divisible by the number (72) 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 74371392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110378240).

74371392 is an abundant number, since it is smaller than the sum of its proper divisors (146385088).

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

74371392 is a wasteful number, since it uses less digits than its factorization.

74371392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 421 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 74371392 is about 8623.8849714035. The cubic root of 74371392 is about 420.5348288628.

The spelling of 74371392 in words is "seventy-four million, three hundred seventy-one thousand, three hundred ninety-two".