74913573 has 16 divisors (see below), whose sum is σ = 114278400. Its totient is φ = 42761136.

The previous prime is 74913563. The next prime is 74913623. The reversal of 74913573 is 37531947.

It is a happy number.

It is not a de Polignac number, because 74913573 - 2⁸ = 74913317 is a prime.

It is a super-2 number, since 2×74913573² = 11224086839252658, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74913533) 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, 30028 + ... + 32426.

It is an arithmetic number, because the mean of its divisors is an integer number (7142400).

Almost surely, 2^74913573 is an apocalyptic number.

It is an amenable number.

74913573 is a deficient number, since it is larger than the sum of its proper divisors (39364827).

74913573 is a wasteful number, since it uses less digits than its factorization.

74913573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896.

The product of its digits is 79380, while the sum is 39.

The square root of 74913573 is about 8655.2627343137. The cubic root of 74913573 is about 421.5542807098.

The spelling of 74913573 in words is "seventy-four million, nine hundred thirteen thousand, five hundred seventy-three".