74225592 has 96 divisors (see below), whose sum is σ = 239878800. Its totient is φ = 21204288.

The previous prime is 74225573. The next prime is 74225617. The reversal of 74225592 is 29552247.

It is a happy number.

74225592 is a `hidden beast` number, since 7 + 42 + 25 + 592 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7078 + ... + 14090.

Almost surely, 2^74225592 is an apocalyptic number.

74225592 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 74225592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119939400).

74225592 is an abundant number, since it is smaller than the sum of its proper divisors (165653208).

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

74225592 is a wasteful number, since it uses less digits than its factorization.

74225592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042 (or 7025 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 74225592 is about 8615.4275575853. The cubic root of 74225592 is about 420.2598392135.

The spelling of 74225592 in words is "seventy-four million, two hundred twenty-five thousand, five hundred ninety-two".