72589087 has 2 divisors, whose sum is σ = 72589088. Its totient is φ = 72589086.

The previous prime is 72589021. The next prime is 72589091. The reversal of 72589087 is 78098527.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72589087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72589787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36294543 + 36294544.

It is an arithmetic number, because the mean of its divisors is an integer number (36294544).

Almost surely, 2^72589087 is an apocalyptic number.

72589087 is a deficient number, since it is larger than the sum of its proper divisors (1).

72589087 is an equidigital number, since it uses as much as digits as its factorization.

72589087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 72589087 is about 8519.9229456610. The cubic root of 72589087 is about 417.1482679478.

The spelling of 72589087 in words is "seventy-two million, five hundred eighty-nine thousand, eighty-seven".