90518756 has 6 divisors (see below), whose sum is σ = 158407830. Its totient is φ = 45259376.

The previous prime is 90518713. The next prime is 90518783. The reversal of 90518756 is 65781509.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 8797156 = 9040^2 + 2966^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11314841 + ... + 11314848.

It is an arithmetic number, because the mean of its divisors is an integer number (26401305).

Almost surely, 2^90518756 is an apocalyptic number.

It is an amenable number.

90518756 is a deficient number, since it is larger than the sum of its proper divisors (67889074).

90518756 is a wasteful number, since it uses less digits than its factorization.

90518756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22629693 (or 22629691 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 90518756 is about 9514.1345376235. The cubic root of 90518756 is about 448.9998462309. Note that the first 3 decimals are identical.

The spelling of 90518756 in words is "ninety million, five hundred eighteen thousand, seven hundred fifty-six".