72072827 has 4 divisors (see below), whose sum is σ = 73060200. Its totient is φ = 71085456.

The previous prime is 72072811. The next prime is 72072829. The reversal of 72072827 is 72827027.

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

It is a cyclic number.

It is not a de Polignac number, because 72072827 - 2⁴ = 72072811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72072829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493577 + ... + 493722.

It is an arithmetic number, because the mean of its divisors is an integer number (18265050).

Almost surely, 2^72072827 is an apocalyptic number.

72072827 is a deficient number, since it is larger than the sum of its proper divisors (987373).

72072827 is an equidigital number, since it uses as much as digits as its factorization.

72072827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987372.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 72072827 is about 8489.5716617507. The cubic root of 72072827 is about 416.1569824047.

The spelling of 72072827 in words is "seventy-two million, seventy-two thousand, eight hundred twenty-seven".