74528736 has 48 divisors (see below), whose sum is σ = 196245504. Its totient is φ = 24765824.

The previous prime is 74528711. The next prime is 74528749. The reversal of 74528736 is 63782547.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35755 + ... + 37781.

It is an arithmetic number, because the mean of its divisors is an integer number (4088448).

Almost surely, 2^74528736 is an apocalyptic number.

It is an amenable number.

74528736 is an abundant number, since it is smaller than the sum of its proper divisors (121716768).

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

74528736 is a wasteful number, since it uses less digits than its factorization.

74528736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423 (or 2415 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 74528736 is about 8633.0027221124. The cubic root of 74528736 is about 420.8311884434.

The spelling of 74528736 in words is "seventy-four million, five hundred twenty-eight thousand, seven hundred thirty-six".