72566467 has 2 divisors, whose sum is σ = 72566468. Its totient is φ = 72566466.

The previous prime is 72566447. The next prime is 72566537. The reversal of 72566467 is 76466527.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72566467 is a prime.

It is not a weakly prime, because it can be changed into another prime (72566447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36283233 + 36283234.

It is an arithmetic number, because the mean of its divisors is an integer number (36283234).

Almost surely, 2^72566467 is an apocalyptic number.

72566467 is a deficient number, since it is larger than the sum of its proper divisors (1).

72566467 is an equidigital number, since it uses as much as digits as its factorization.

72566467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The square root of 72566467 is about 8518.5953654344. The cubic root of 72566467 is about 417.1049332699.

The spelling of 72566467 in words is "seventy-two million, five hundred sixty-six thousand, four hundred sixty-seven".