90762193 has 2 divisors, whose sum is σ = 90762194. Its totient is φ = 90762192.

The previous prime is 90762169. The next prime is 90762197. The reversal of 90762193 is 39126709.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66781584 + 23980609 = 8172^2 + 4897^2 .

It is a cyclic number.

It is not a de Polignac number, because 90762193 - 2⁹ = 90761681 is a prime.

It is not a weakly prime, because it can be changed into another prime (90762197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45381096 + 45381097.

It is an arithmetic number, because the mean of its divisors is an integer number (45381097).

Almost surely, 2^90762193 is an apocalyptic number.

It is an amenable number.

90762193 is a deficient number, since it is larger than the sum of its proper divisors (1).

90762193 is an equidigital number, since it uses as much as digits as its factorization.

90762193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 90762193 is about 9526.9193866643. The cubic root of 90762193 is about 449.4019924878.

The spelling of 90762193 in words is "ninety million, seven hundred sixty-two thousand, one hundred ninety-three".