90763573 has 2 divisors, whose sum is σ = 90763574. Its totient is φ = 90763572.

The previous prime is 90763531. The next prime is 90763577. The reversal of 90763573 is 37536709.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71605444 + 19158129 = 8462^2 + 4377^2 .

It is a cyclic number.

It is not a de Polignac number, because 90763573 - 2⁹ = 90763061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90763577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45381786 + 45381787.

It is an arithmetic number, because the mean of its divisors is an integer number (45381787).

Almost surely, 2^90763573 is an apocalyptic number.

It is an amenable number.

90763573 is a deficient number, since it is larger than the sum of its proper divisors (1).

90763573 is an equidigital number, since it uses as much as digits as its factorization.

90763573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 40.

The square root of 90763573 is about 9526.9918127392. The cubic root of 90763573 is about 449.4042701307.

The spelling of 90763573 in words is "ninety million, seven hundred sixty-three thousand, five hundred seventy-three".