90621068 has 6 divisors (see below), whose sum is σ = 158586876. Its totient is φ = 45310532.

The previous prime is 90621059. The next prime is 90621073. The reversal of 90621068 is 86012609.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11327630 + ... + 11327637.

It is an arithmetic number, because the mean of its divisors is an integer number (26431146).

Almost surely, 2^90621068 is an apocalyptic number.

It is an amenable number.

90621068 is a deficient number, since it is larger than the sum of its proper divisors (67965808).

90621068 is a wasteful number, since it uses less digits than its factorization.

90621068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22655271 (or 22655269 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 90621068 is about 9519.5098613321. The cubic root of 90621068 is about 449.1689484790.

The spelling of 90621068 in words is "ninety million, six hundred twenty-one thousand, sixty-eight".