72237827 has 2 divisors, whose sum is σ = 72237828. Its totient is φ = 72237826.

The previous prime is 72237793. The next prime is 72237833. The reversal of 72237827 is 72873227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72237827 - 2²² = 68043523 is a prime.

It is not a weakly prime, because it can be changed into another prime (72237857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36118913 + 36118914.

It is an arithmetic number, because the mean of its divisors is an integer number (36118914).

Almost surely, 2^72237827 is an apocalyptic number.

72237827 is a deficient number, since it is larger than the sum of its proper divisors (1).

72237827 is an equidigital number, since it uses as much as digits as its factorization.

72237827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 38.

The square root of 72237827 is about 8499.2839110127. The cubic root of 72237827 is about 416.4743168351.

The spelling of 72237827 in words is "seventy-two million, two hundred thirty-seven thousand, eight hundred twenty-seven".