90655372 has 12 divisors (see below), whose sum is σ = 159190416. Its totient is φ = 45172400.

The previous prime is 90655361. The next prime is 90655379. The reversal of 90655372 is 27355609.

It is not an unprimeable number, because it can be changed into a prime (90655379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37504 + ... + 39847.

It is an arithmetic number, because the mean of its divisors is an integer number (13265868).

Almost surely, 2^90655372 is an apocalyptic number.

It is an amenable number.

90655372 is a deficient number, since it is larger than the sum of its proper divisors (68535044).

90655372 is a wasteful number, since it uses less digits than its factorization.

90655372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77648 (or 77646 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 90655372 is about 9521.3114642889. The cubic root of 90655372 is about 449.2256179641.

The spelling of 90655372 in words is "ninety million, six hundred fifty-five thousand, three hundred seventy-two".