74538324 has 36 divisors (see below), whose sum is σ = 215333664. Its totient is φ = 21296592.

The previous prime is 74538263. The next prime is 74538361. The reversal of 74538324 is 42383547.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

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 11 ways as a sum of consecutive naturals, for example, 147642 + ... + 148145.

Almost surely, 2^74538324 is an apocalyptic number.

It is an amenable number.

74538324 is an abundant number, since it is smaller than the sum of its proper divisors (140795340).

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

74538324 is a wasteful number, since it uses less digits than its factorization.

74538324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295804 (or 295799 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 74538324 is about 8633.5580150944. The cubic root of 74538324 is about 420.8492340843.

The spelling of 74538324 in words is "seventy-four million, five hundred thirty-eight thousand, three hundred twenty-four".