90885070 has 8 divisors (see below), whose sum is σ = 163593144. Its totient is φ = 36354024.

The previous prime is 90885017. The next prime is 90885071. The reversal of 90885070 is 7058809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90885071) 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, 4544244 + ... + 4544263.

It is an arithmetic number, because the mean of its divisors is an integer number (20449143).

Almost surely, 2^90885070 is an apocalyptic number.

90885070 is a deficient number, since it is larger than the sum of its proper divisors (72708074).

90885070 is a wasteful number, since it uses less digits than its factorization.

90885070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9088514.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 90885070 is about 9533.3661421347. The cubic root of 90885070 is about 449.6047063617.

The spelling of 90885070 in words is "ninety million, eight hundred eighty-five thousand, seventy".