72080587 has 2 divisors, whose sum is σ = 72080588. Its totient is φ = 72080586.

The previous prime is 72080539. The next prime is 72080609. The reversal of 72080587 is 78508027.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72080587 is a prime.

It is a super-2 number, since 2×72080587² = 10391222044529138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72080507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36040293 + 36040294.

It is an arithmetic number, because the mean of its divisors is an integer number (36040294).

Almost surely, 2^72080587 is an apocalyptic number.

72080587 is a deficient number, since it is larger than the sum of its proper divisors (1).

72080587 is an equidigital number, since it uses as much as digits as its factorization.

72080587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 72080587 is about 8490.0286807525. The cubic root of 72080587 is about 416.1719175863.

The spelling of 72080587 in words is "seventy-two million, eighty thousand, five hundred eighty-seven".