90690703 has 2 divisors, whose sum is σ = 90690704. Its totient is φ = 90690702.

The previous prime is 90690661. The next prime is 90690707. The reversal of 90690703 is 30709609.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90690703 - 2¹³ = 90682511 is a prime.

It is a super-2 number, since 2×90690703² = 16449607221268418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90690707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45345351 + 45345352.

It is an arithmetic number, because the mean of its divisors is an integer number (45345352).

Almost surely, 2^90690703 is an apocalyptic number.

90690703 is a deficient number, since it is larger than the sum of its proper divisors (1).

90690703 is an equidigital number, since it uses as much as digits as its factorization.

90690703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 90690703 is about 9523.1666477071. The cubic root of 90690703 is about 449.2839690893.

The spelling of 90690703 in words is "ninety million, six hundred ninety thousand, seven hundred three".