90758313 has 44 divisors (see below), whose sum is σ = 143488260. Its totient is φ = 57316896.

The previous prime is 90758309. The next prime is 90758329. The reversal of 90758313 is 31385709.

It can be written as a sum of positive squares in 2 ways, for example, as 56746089 + 34012224 = 7533^2 + 5832^2 .

It is not a de Polignac number, because 90758313 - 2² = 90758309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90758303) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 1712395 + ... + 1712447.

Almost surely, 2^90758313 is an apocalyptic number.

It is an amenable number.

90758313 is a deficient number, since it is larger than the sum of its proper divisors (52729947).

90758313 is an frugal number, since it uses more digits than its factorization.

90758313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 90758313 is about 9526.7157509816. The cubic root of 90758313 is about 449.3955885564.

The spelling of 90758313 in words is "ninety million, seven hundred fifty-eight thousand, three hundred thirteen".