72427113 has 12 divisors (see below), whose sum is σ = 114127728. Its totient is φ = 43895160.

The previous prime is 72427099. The next prime is 72427139. The reversal of 72427113 is 31172427.

It is a happy number.

It is not a de Polignac number, because 72427113 - 2⁵ = 72427081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72427153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365695 + ... + 365892.

It is an arithmetic number, because the mean of its divisors is an integer number (9510644).

Almost surely, 2^72427113 is an apocalyptic number.

It is an amenable number.

72427113 is a deficient number, since it is larger than the sum of its proper divisors (41700615).

72427113 is a wasteful number, since it uses less digits than its factorization.

72427113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731604 (or 731601 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 72427113 is about 8510.4120346785. The cubic root of 72427113 is about 416.8377644695.

The spelling of 72427113 in words is "seventy-two million, four hundred twenty-seven thousand, one hundred thirteen".