74272827 has 4 divisors (see below), whose sum is σ = 99030440. Its totient is φ = 49515216.

The previous prime is 74272787. The next prime is 74272829. The reversal of 74272827 is 72827247.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74272827 - 2⁶ = 74272763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74272829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12378802 + ... + 12378807.

It is an arithmetic number, because the mean of its divisors is an integer number (24757610).

Almost surely, 2^74272827 is an apocalyptic number.

74272827 is a deficient number, since it is larger than the sum of its proper divisors (24757613).

74272827 is a wasteful number, since it uses less digits than its factorization.

74272827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24757612.

The product of its digits is 87808, while the sum is 39.

The square root of 74272827 is about 8618.1684249033. The cubic root of 74272827 is about 420.3489673412.

The spelling of 74272827 in words is "seventy-four million, two hundred seventy-two thousand, eight hundred twenty-seven".