74272593 has 4 divisors (see below), whose sum is σ = 99030128. Its totient is φ = 49515060.

The previous prime is 74272591. The next prime is 74272631. The reversal of 74272593 is 39527247.

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 not a de Polignac number, because 74272593 - 2¹ = 74272591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74272591) 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, 12378763 + ... + 12378768.

It is an arithmetic number, because the mean of its divisors is an integer number (24757532).

Almost surely, 2^74272593 is an apocalyptic number.

It is an amenable number.

74272593 is a deficient number, since it is larger than the sum of its proper divisors (24757535).

74272593 is a wasteful number, since it uses less digits than its factorization.

74272593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24757534.

The product of its digits is 105840, while the sum is 39.

The square root of 74272593 is about 8618.1548489221. The cubic root of 74272593 is about 420.3485258977.

The spelling of 74272593 in words is "seventy-four million, two hundred seventy-two thousand, five hundred ninety-three".