90922072 has 8 divisors (see below), whose sum is σ = 170478900. Its totient is φ = 45461032.

The previous prime is 90922067. The next prime is 90922187. The reversal of 90922072 is 27022909.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5682622 + ... + 5682637.

Almost surely, 2^90922072 is an apocalyptic number.

It is an amenable number.

90922072 is a deficient number, since it is larger than the sum of its proper divisors (79556828).

90922072 is a wasteful number, since it uses less digits than its factorization.

90922072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11365265 (or 11365261 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 90922072 is about 9535.3066023070. The cubic root of 90922072 is about 449.6657138743.

The spelling of 90922072 in words is "ninety million, nine hundred twenty-two thousand, seventy-two".