74499537 has 16 divisors (see below), whose sum is σ = 116592512. Its totient is φ = 41420160.

The previous prime is 74499527. The next prime is 74499571. The reversal of 74499537 is 73599447.

It is a happy number.

It is not a de Polignac number, because 74499537 - 2⁶ = 74499473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74499517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47164 + ... + 48717.

It is an arithmetic number, because the mean of its divisors is an integer number (7287032).

Almost surely, 2^74499537 is an apocalyptic number.

It is an amenable number.

74499537 is a deficient number, since it is larger than the sum of its proper divisors (42092975).

74499537 is a wasteful number, since it uses less digits than its factorization.

74499537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95928.

The product of its digits is 952560, while the sum is 48.

The square root of 74499537 is about 8631.3114299045. The cubic root of 74499537 is about 420.7762232689.

The spelling of 74499537 in words is "seventy-four million, four hundred ninety-nine thousand, five hundred thirty-seven".