90801768 has 16 divisors (see below), whose sum is σ = 227004480. Its totient is φ = 30267248.

The previous prime is 90801761. The next prime is 90801803. The reversal of 90801768 is 86710809.

It is a super-2 number, since 2×90801768² = 16489922143851648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90801761) 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, 1891680 + ... + 1891727.

It is an arithmetic number, because the mean of its divisors is an integer number (14187780).

Almost surely, 2^90801768 is an apocalyptic number.

It is an amenable number.

90801768 is an abundant number, since it is smaller than the sum of its proper divisors (136202712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90801768 is a wasteful number, since it uses less digits than its factorization.

90801768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783416 (or 3783412 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 90801768 is about 9528.9961695868. The cubic root of 90801768 is about 449.4673005158.

The spelling of 90801768 in words is "ninety million, eight hundred one thousand, seven hundred sixty-eight".