74334553 has 4 divisors (see below), whose sum is σ = 74504320. Its totient is φ = 74164788.

The previous prime is 74334521. The next prime is 74334563. The reversal of 74334553 is 35543347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74334553 - 2⁵ = 74334521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74334503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84225 + ... + 85102.

It is an arithmetic number, because the mean of its divisors is an integer number (18626080).

Almost surely, 2^74334553 is an apocalyptic number.

It is an amenable number.

74334553 is a deficient number, since it is larger than the sum of its proper divisors (169767).

74334553 is a wasteful number, since it uses less digits than its factorization.

74334553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169766.

The product of its digits is 75600, while the sum is 34.

The square root of 74334553 is about 8621.7488365180. The cubic root of 74334553 is about 420.4653817238.

The spelling of 74334553 in words is "seventy-four million, three hundred thirty-four thousand, five hundred fifty-three".