74523444 has 48 divisors (see below), whose sum is σ = 184778496. Its totient is φ = 23296000.

The previous prime is 74523433. The next prime is 74523457. The reversal of 74523444 is 44432547.

It is a super-2 number, since 2×74523444² = 11107487411242272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 81349 + ... + 82259.

It is an arithmetic number, because the mean of its divisors is an integer number (3849552).

Almost surely, 2^74523444 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 74523444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92389248).

74523444 is an abundant number, since it is smaller than the sum of its proper divisors (110255052).

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

74523444 is a wasteful number, since it uses less digits than its factorization.

74523444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1334 counting only the distinct ones).

The product of its digits is 53760, while the sum is 33.

The square root of 74523444 is about 8632.6962184476. The cubic root of 74523444 is about 420.8212276708.

The spelling of 74523444 in words is "seventy-four million, five hundred twenty-three thousand, four hundred forty-four".