74477227 has 4 divisors (see below), whose sum is σ = 81247896. Its totient is φ = 67706560.

The previous prime is 74477219. The next prime is 74477237. The reversal of 74477227 is 72277447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72277447 = 11 ⋅6570677.

It is a cyclic number.

It is not a de Polignac number, because 74477227 - 2³ = 74477219 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74477227.

It is not an unprimeable number, because it can be changed into a prime (74477237) 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, 3385318 + ... + 3385339.

It is an arithmetic number, because the mean of its divisors is an integer number (20311974).

Almost surely, 2^74477227 is an apocalyptic number.

74477227 is a deficient number, since it is larger than the sum of its proper divisors (6770669).

74477227 is a wasteful number, since it uses less digits than its factorization.

74477227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770668.

The product of its digits is 153664, while the sum is 40.

The square root of 74477227 is about 8630.0189455180. The cubic root of 74477227 is about 420.7342164987.

The spelling of 74477227 in words is "seventy-four million, four hundred seventy-seven thousand, two hundred twenty-seven".