90648272 has 40 divisors (see below), whose sum is σ = 206340960. Its totient is φ = 38033280.

The previous prime is 90648263. The next prime is 90648277. The reversal of 90648272 is 27284609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90648277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17522 + ... + 22097.

It is an arithmetic number, because the mean of its divisors is an integer number (5158524).

Almost surely, 2^90648272 is an apocalyptic number.

It is an amenable number.

90648272 is an abundant number, since it is smaller than the sum of its proper divisors (115692688).

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

90648272 is a wasteful number, since it uses less digits than its factorization.

90648272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39651 (or 39645 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 90648272 is about 9520.9386091918. The cubic root of 90648272 is about 449.2138900871.

The spelling of 90648272 in words is "ninety million, six hundred forty-eight thousand, two hundred seventy-two".