90748786 has 8 divisors (see below), whose sum is σ = 136479744. Its totient is φ = 45255540.

The previous prime is 90748781. The next prime is 90748787. The reversal of 90748786 is 68784709.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90748781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58470 + ... + 60001.

It is an arithmetic number, because the mean of its divisors is an integer number (17059968).

Almost surely, 2^90748786 is an apocalyptic number.

90748786 is a deficient number, since it is larger than the sum of its proper divisors (45730958).

90748786 is a wasteful number, since it uses less digits than its factorization.

90748786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118856.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 90748786 is about 9526.2157229406. The cubic root of 90748786 is about 449.3798634896.

The spelling of 90748786 in words is "ninety million, seven hundred forty-eight thousand, seven hundred eighty-six".