74272377 has 4 divisors (see below), whose sum is σ = 99029840. Its totient is φ = 49514916.

The previous prime is 74272351. The next prime is 74272379. The reversal of 74272377 is 77327247.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77327247 = 3 ⋅25775749.

It is not a de Polignac number, because 74272377 - 2¹⁹ = 73748089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74272379) 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, 12378727 + ... + 12378732.

It is an arithmetic number, because the mean of its divisors is an integer number (24757460).

Almost surely, 2^74272377 is an apocalyptic number.

It is an amenable number.

74272377 is a deficient number, since it is larger than the sum of its proper divisors (24757463).

74272377 is a wasteful number, since it uses less digits than its factorization.

74272377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24757462.

The product of its digits is 115248, while the sum is 39.

The square root of 74272377 is about 8618.1423172282. The cubic root of 74272377 is about 420.3481184106.

The spelling of 74272377 in words is "seventy-four million, two hundred seventy-two thousand, three hundred seventy-seven".