90673259 has 2 divisors, whose sum is σ = 90673260. Its totient is φ = 90673258.

The previous prime is 90673243. The next prime is 90673307. The reversal of 90673259 is 95237609.

It is a weak prime.

It is an emirp because it is prime and its reverse (95237609) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90673259 - 2⁴ = 90673243 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90673159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45336629 + 45336630.

It is an arithmetic number, because the mean of its divisors is an integer number (45336630).

Almost surely, 2^90673259 is an apocalyptic number.

90673259 is a deficient number, since it is larger than the sum of its proper divisors (1).

90673259 is an equidigital number, since it uses as much as digits as its factorization.

90673259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 90673259 is about 9522.2507318386. The cubic root of 90673259 is about 449.2551612408.

The spelling of 90673259 in words is "ninety million, six hundred seventy-three thousand, two hundred fifty-nine".