72984089 has 2 divisors, whose sum is σ = 72984090. Its totient is φ = 72984088.

The previous prime is 72984053. The next prime is 72984113. The reversal of 72984089 is 98048927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72505225 + 478864 = 8515^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 72984089 - 2¹⁶ = 72918553 is a prime.

It is not a weakly prime, because it can be changed into another prime (72984389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36492044 + 36492045.

It is an arithmetic number, because the mean of its divisors is an integer number (36492045).

Almost surely, 2^72984089 is an apocalyptic number.

It is an amenable number.

72984089 is a deficient number, since it is larger than the sum of its proper divisors (1).

72984089 is an equidigital number, since it uses as much as digits as its factorization.

72984089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 72984089 is about 8543.0725737290. The cubic root of 72984089 is about 417.9035532921.

The spelling of 72984089 in words is "seventy-two million, nine hundred eighty-four thousand, eighty-nine".