72796427 has 16 divisors (see below), whose sum is σ = 81948672. Its totient is φ = 64084320.

The previous prime is 72796421. The next prime is 72796439. The reversal of 72796427 is 72469727.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72796427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72796421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155648 + ... + 156114.

It is an arithmetic number, because the mean of its divisors is an integer number (5121792).

Almost surely, 2^72796427 is an apocalyptic number.

72796427 is a deficient number, since it is larger than the sum of its proper divisors (9152245).

72796427 is a wasteful number, since it uses less digits than its factorization.

72796427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898.

The product of its digits is 296352, while the sum is 44.

The square root of 72796427 is about 8532.0822194819. The cubic root of 72796427 is about 417.5450645178.

The spelling of 72796427 in words is "seventy-two million, seven hundred ninety-six thousand, four hundred twenty-seven".