90767056 has 20 divisors (see below), whose sum is σ = 176523300. Its totient is φ = 45212672.

The previous prime is 90767051. The next prime is 90767059. The reversal of 90767056 is 65076709.

It can be written as a sum of positive squares in 2 ways, for example, as 52128400 + 38638656 = 7220^2 + 6216^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90767051) 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, 6241 + ... + 14848.

It is an arithmetic number, because the mean of its divisors is an integer number (8826165).

Almost surely, 2^90767056 is an apocalyptic number.

It is an amenable number.

90767056 is a deficient number, since it is larger than the sum of its proper divisors (85756244).

90767056 is a wasteful number, since it uses less digits than its factorization.

90767056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21366 (or 21360 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 90767056 is about 9527.1746074059. The cubic root of 90767056 is about 449.4100186008.

The spelling of 90767056 in words is "ninety million, seven hundred sixty-seven thousand, fifty-six".