90319670 has 32 divisors (see below), whose sum is σ = 187619328. Its totient is φ = 30663648.

The previous prime is 90319633. The next prime is 90319681. The reversal of 90319670 is 7691309.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90319670.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 947 + ... + 13473.

It is an arithmetic number, because the mean of its divisors is an integer number (5863104).

Almost surely, 2^90319670 is an apocalyptic number.

90319670 is an abundant number, since it is smaller than the sum of its proper divisors (97299658).

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

90319670 is a wasteful number, since it uses less digits than its factorization.

90319670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 90319670 is about 9503.6661347082. Note that the first 3 decimals coincide. The cubic root of 90319670 is about 448.6704294275.

The spelling of 90319670 in words is "ninety million, three hundred nineteen thousand, six hundred seventy".