74744532 has 30 divisors (see below), whose sum is σ = 195397818. Its totient is φ = 24914736.

The previous prime is 74744531. The next prime is 74744569. The reversal of 74744532 is 23544747.

It can be written as a sum of positive squares in only one way, i.e., 74028816 + 715716 = 8604^2 + 846^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74744531) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 115023 + ... + 115670.

Almost surely, 2^74744532 is an apocalyptic number.

It is an amenable number.

74744532 is an abundant number, since it is smaller than the sum of its proper divisors (120653286).

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

74744532 is a wasteful number, since it uses less digits than its factorization.

74744532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230709 (or 230698 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 74744532 is about 8645.4920045073. The cubic root of 74744532 is about 421.2369656115.

The spelling of 74744532 in words is "seventy-four million, seven hundred forty-four thousand, five hundred thirty-two".