74440544 has 12 divisors (see below), whose sum is σ = 146554884. Its totient is φ = 37220256.

The previous prime is 74440529. The next prime is 74440547. The reversal of 74440544 is 44504447.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2326267 = 74440544 / (7 + 4 + 4 + 4 + 0 + 5 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 74440544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74440547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1163102 + ... + 1163165.

It is an arithmetic number, because the mean of its divisors is an integer number (12212907).

Almost surely, 2^74440544 is an apocalyptic number.

It is an amenable number.

74440544 is a deficient number, since it is larger than the sum of its proper divisors (72114340).

74440544 is a wasteful number, since it uses less digits than its factorization.

74440544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326277 (or 2326269 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 74440544 is about 8627.8933697630. The cubic root of 74440544 is about 420.6651290363.

The spelling of 74440544 in words is "seventy-four million, four hundred forty thousand, five hundred forty-four".