72827113 has 4 divisors (see below), whose sum is σ = 73025920. Its totient is φ = 72628308.

The previous prime is 72827101. The next prime is 72827123. The reversal of 72827113 is 31172827.

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 a cyclic number.

It is not a de Polignac number, because 72827113 - 2⁵ = 72827081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72827123) 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, 98853 + ... + 99586.

It is an arithmetic number, because the mean of its divisors is an integer number (18256480).

Almost surely, 2^72827113 is an apocalyptic number.

It is an amenable number.

72827113 is a deficient number, since it is larger than the sum of its proper divisors (198807).

72827113 is a wasteful number, since it uses less digits than its factorization.

72827113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198806.

The product of its digits is 4704, while the sum is 31.

The square root of 72827113 is about 8533.8803014807. The cubic root of 72827113 is about 417.6037257666.

The spelling of 72827113 in words is "seventy-two million, eight hundred twenty-seven thousand, one hundred thirteen".