72002087 has 2 divisors, whose sum is σ = 72002088. Its totient is φ = 72002086.

The previous prime is 72002053. The next prime is 72002093. The reversal of 72002087 is 78020027.

It is a strong prime.

It is an emirp because it is prime and its reverse (78020027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72002087 - 2¹⁴ = 71985703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72002587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36001043 + 36001044.

It is an arithmetic number, because the mean of its divisors is an integer number (36001044).

Almost surely, 2^72002087 is an apocalyptic number.

72002087 is a deficient number, since it is larger than the sum of its proper divisors (1).

72002087 is an equidigital number, since it uses as much as digits as its factorization.

72002087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 72002087 is about 8485.4043510018. The cubic root of 72002087 is about 416.0207841409.

The spelling of 72002087 in words is "seventy-two million, two thousand, eighty-seven".