74538523 has 8 divisors (see below), whose sum is σ = 80218080. Its totient is φ = 69002880.

The previous prime is 74538517. The next prime is 74538547. The reversal of 74538523 is 32583547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74538523 - 2⁵ = 74538491 is a prime.

It is a super-2 number, since 2×74538523² = 11111982822043058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74538553) 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, 34903 + ... + 36976.

It is an arithmetic number, because the mean of its divisors is an integer number (10027260).

Almost surely, 2^74538523 is an apocalyptic number.

74538523 is a deficient number, since it is larger than the sum of its proper divisors (5679557).

74538523 is a wasteful number, since it uses less digits than its factorization.

74538523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71957.

The product of its digits is 100800, while the sum is 37.

The square root of 74538523 is about 8633.5695398833. The cubic root of 74538523 is about 420.8496086071.

The spelling of 74538523 in words is "seventy-four million, five hundred thirty-eight thousand, five hundred twenty-three".