90738782 has 16 divisors (see below), whose sum is σ = 138257280. Its totient is φ = 44658648.

The previous prime is 90738773. The next prime is 90738787. The reversal of 90738782 is 28783709.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90738787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34469 + ... + 37007.

It is an arithmetic number, because the mean of its divisors is an integer number (8641080).

Almost surely, 2^90738782 is an apocalyptic number.

90738782 is a deficient number, since it is larger than the sum of its proper divisors (47518498).

90738782 is a wasteful number, since it uses less digits than its factorization.

90738782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 90738782 is about 9525.6906311301. The cubic root of 90738782 is about 449.3633499120.

The spelling of 90738782 in words is "ninety million, seven hundred thirty-eight thousand, seven hundred eighty-two".