90493373 has 2 divisors, whose sum is σ = 90493374. Its totient is φ = 90493372.

The previous prime is 90493367. The next prime is 90493399. The reversal of 90493373 is 37339409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82210489 + 8282884 = 9067^2 + 2878^2 .

It is an emirp because it is prime and its reverse (37339409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90493373 - 2⁴ = 90493357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90493573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45246686 + 45246687.

It is an arithmetic number, because the mean of its divisors is an integer number (45246687).

Almost surely, 2^90493373 is an apocalyptic number.

It is an amenable number.

90493373 is a deficient number, since it is larger than the sum of its proper divisors (1).

90493373 is an equidigital number, since it uses as much as digits as its factorization.

90493373 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 38.

The square root of 90493373 is about 9512.8004814566. The cubic root of 90493373 is about 448.9578732407.

The spelling of 90493373 in words is "ninety million, four hundred ninety-three thousand, three hundred seventy-three".