90473699 has 2 divisors, whose sum is σ = 90473700. Its totient is φ = 90473698.

The previous prime is 90473693. The next prime is 90473701. The reversal of 90473699 is 99637409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90473699 - 2²⁰ = 89425123 is a prime.

It is a Sophie Germain prime.

Together with 90473701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90473693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45236849 + 45236850.

It is an arithmetic number, because the mean of its divisors is an integer number (45236850).

Almost surely, 2^90473699 is an apocalyptic number.

90473699 is a deficient number, since it is larger than the sum of its proper divisors (1).

90473699 is an equidigital number, since it uses as much as digits as its factorization.

90473699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 90473699 is about 9511.7663449015. The cubic root of 90473699 is about 448.9253351771.

The spelling of 90473699 in words is "ninety million, four hundred seventy-three thousand, six hundred ninety-nine".