90768250 has 32 divisors (see below), whose sum is σ = 172486080. Its totient is φ = 35758800.

The previous prime is 90768241. The next prime is 90768257. The reversal of 90768250 is 5286709.

It is not an unprimeable number, because it can be changed into a prime (90768257) 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 in 15 ways as a sum of consecutive naturals, for example, 14041 + ... + 19459.

It is an arithmetic number, because the mean of its divisors is an integer number (5390190).

Almost surely, 2^90768250 is an apocalyptic number.

90768250 is a deficient number, since it is larger than the sum of its proper divisors (81717830).

90768250 is a wasteful number, since it uses less digits than its factorization.

90768250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503 (or 5493 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 90768250 is about 9527.2372700589. The cubic root of 90768250 is about 449.4119891881.

The spelling of 90768250 in words is "ninety million, seven hundred sixty-eight thousand, two hundred fifty".