74444736 has 56 divisors (see below), whose sum is σ = 207345280. Its totient is φ = 23507712.

The previous prime is 74444731. The next prime is 74444761. The reversal of 74444736 is 63744447.

It is a junction number, because it is equal to n+sod(n) for n = 74444694 and 74444703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74444731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6556 + ... + 13851.

Almost surely, 2^74444736 is an apocalyptic number.

74444736 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

74444736 is an abundant number, since it is smaller than the sum of its proper divisors (132900544).

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

74444736 is a wasteful number, since it uses less digits than its factorization.

74444736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20441 (or 20431 counting only the distinct ones).

The product of its digits is 225792, while the sum is 39.

The square root of 74444736 is about 8628.1362993407. The cubic root of 74444736 is about 420.6730252490.

The spelling of 74444736 in words is "seventy-four million, four hundred forty-four thousand, seven hundred thirty-six".