72267023 has 2 divisors, whose sum is σ = 72267024. Its totient is φ = 72267022.

The previous prime is 72266993. The next prime is 72267029. The reversal of 72267023 is 32076227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72267023 - 2⁶ = 72266959 is a prime.

It is a super-2 number, since 2×72267023² = 10445045226565058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72267029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36133511 + 36133512.

It is an arithmetic number, because the mean of its divisors is an integer number (36133512).

Almost surely, 2^72267023 is an apocalyptic number.

72267023 is a deficient number, since it is larger than the sum of its proper divisors (1).

72267023 is an equidigital number, since it uses as much as digits as its factorization.

72267023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 72267023 is about 8501.0012939653. The cubic root of 72267023 is about 416.5304173894.

The spelling of 72267023 in words is "seventy-two million, two hundred sixty-seven thousand, twenty-three".