90532870 has 8 divisors (see below), whose sum is σ = 162959184. Its totient is φ = 36213144.

The previous prime is 90532859. The next prime is 90532873. The reversal of 90532870 is 7823509.

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 (90532873) 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, 4526634 + ... + 4526653.

It is an arithmetic number, because the mean of its divisors is an integer number (20369898).

Almost surely, 2^90532870 is an apocalyptic number.

90532870 is a deficient number, since it is larger than the sum of its proper divisors (72426314).

90532870 is a wasteful number, since it uses less digits than its factorization.

90532870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9053294.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 90532870 is about 9514.8762472247. The cubic root of 90532870 is about 449.0231815585.

The spelling of 90532870 in words is "ninety million, five hundred thirty-two thousand, eight hundred seventy".