72937087 has 2 divisors, whose sum is σ = 72937088. Its totient is φ = 72937086.

The previous prime is 72937043. The next prime is 72937097. The reversal of 72937087 is 78073927.

It is a strong prime.

It is an emirp because it is prime and its reverse (78073927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72937087 - 2¹¹ = 72935039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72937097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36468543 + 36468544.

It is an arithmetic number, because the mean of its divisors is an integer number (36468544).

Almost surely, 2^72937087 is an apocalyptic number.

72937087 is a deficient number, since it is larger than the sum of its proper divisors (1).

72937087 is an equidigital number, since it uses as much as digits as its factorization.

72937087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 72937087 is about 8540.3212468853. The cubic root of 72937087 is about 417.8138235937.

The spelling of 72937087 in words is "seventy-two million, nine hundred thirty-seven thousand, eighty-seven".