90662707 has 2 divisors, whose sum is σ = 90662708. Its totient is φ = 90662706.

The previous prime is 90662681. The next prime is 90662731. The reversal of 90662707 is 70726609.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90662707 is a prime.

It is not a weakly prime, because it can be changed into another prime (90662777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45331353 + 45331354.

It is an arithmetic number, because the mean of its divisors is an integer number (45331354).

Almost surely, 2^90662707 is an apocalyptic number.

90662707 is a deficient number, since it is larger than the sum of its proper divisors (1).

90662707 is an equidigital number, since it uses as much as digits as its factorization.

90662707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 90662707 is about 9521.6966450313. The cubic root of 90662707 is about 449.2377333743.

The spelling of 90662707 in words is "ninety million, six hundred sixty-two thousand, seven hundred seven".