90751373 has 2 divisors, whose sum is σ = 90751374. Its totient is φ = 90751372.

The previous prime is 90751369. The next prime is 90751447. The reversal of 90751373 is 37315709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90573289 + 178084 = 9517^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 90751373 - 2² = 90751369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90751303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45375686 + 45375687.

It is an arithmetic number, because the mean of its divisors is an integer number (45375687).

Almost surely, 2^90751373 is an apocalyptic number.

It is an amenable number.

90751373 is a deficient number, since it is larger than the sum of its proper divisors (1).

90751373 is an equidigital number, since it uses as much as digits as its factorization.

90751373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 90751373 is about 9526.3515051671. The cubic root of 90751373 is about 449.3841336465.

The spelling of 90751373 in words is "ninety million, seven hundred fifty-one thousand, three hundred seventy-three".