90761369 has 2 divisors, whose sum is σ = 90761370. Its totient is φ = 90761368.

The previous prime is 90761299. The next prime is 90761389. The reversal of 90761369 is 96316709.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88585744 + 2175625 = 9412^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 90761369 - 2²⁰ = 89712793 is a prime.

It is a super-2 number, since 2×90761369² = 16475252205508322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90761389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45380684 + 45380685.

It is an arithmetic number, because the mean of its divisors is an integer number (45380685).

Almost surely, 2^90761369 is an apocalyptic number.

It is an amenable number.

90761369 is a deficient number, since it is larger than the sum of its proper divisors (1).

90761369 is an equidigital number, since it uses as much as digits as its factorization.

90761369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 90761369 is about 9526.8761406875. The cubic root of 90761369 is about 449.4006324929.

The spelling of 90761369 in words is "ninety million, seven hundred sixty-one thousand, three hundred sixty-nine".