90973459 has 2 divisors, whose sum is σ = 90973460. Its totient is φ = 90973458.

The previous prime is 90973453. The next prime is 90973489. The reversal of 90973459 is 95437909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90973459 - 2³ = 90973451 is a prime.

It is not a weakly prime, because it can be changed into another prime (90973451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45486729 + 45486730.

It is an arithmetic number, because the mean of its divisors is an integer number (45486730).

Almost surely, 2^90973459 is an apocalyptic number.

90973459 is a deficient number, since it is larger than the sum of its proper divisors (1).

90973459 is an equidigital number, since it uses as much as digits as its factorization.

90973459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 90973459 is about 9538.0007863283. Note that the first 3 decimals coincide. The cubic root of 90973459 is about 449.7504113877.

The spelling of 90973459 in words is "ninety million, nine hundred seventy-three thousand, four hundred fifty-nine".