72037727 has 2 divisors, whose sum is σ = 72037728. Its totient is φ = 72037726.

The previous prime is 72037709. The next prime is 72037733. The reversal of 72037727 is 72773027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72037727 - 2²⁶ = 4928863 is a prime.

It is a super-2 number, since 2×72037727² = 10378868222653058, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72037747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36018863 + 36018864.

It is an arithmetic number, because the mean of its divisors is an integer number (36018864).

Almost surely, 2^72037727 is an apocalyptic number.

72037727 is a deficient number, since it is larger than the sum of its proper divisors (1).

72037727 is an equidigital number, since it uses as much as digits as its factorization.

72037727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28812, while the sum is 35.

The square root of 72037727 is about 8487.5041678929. The cubic root of 72037727 is about 416.0894142583.

The spelling of 72037727 in words is "seventy-two million, thirty-seven thousand, seven hundred twenty-seven".