72018827 has 2 divisors, whose sum is σ = 72018828. Its totient is φ = 72018826.

The previous prime is 72018799. The next prime is 72018833. The reversal of 72018827 is 72881027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72018827 - 2¹⁶ = 71953291 is a prime.

It is a super-2 number, since 2×72018827² = 10373422884911858, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72018847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36009413 + 36009414.

It is an arithmetic number, because the mean of its divisors is an integer number (36009414).

Almost surely, 2^72018827 is an apocalyptic number.

72018827 is a deficient number, since it is larger than the sum of its proper divisors (1).

72018827 is an equidigital number, since it uses as much as digits as its factorization.

72018827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 72018827 is about 8486.3906933395. The cubic root of 72018827 is about 416.0530223189.

The spelling of 72018827 in words is "seventy-two million, eighteen thousand, eight hundred twenty-seven".