90113670 has 48 divisors (see below), whose sum is σ = 236594592. Its totient is φ = 23794560.

The previous prime is 90113663. The next prime is 90113671. The reversal of 90113670 is 7631109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90113671) 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 23 ways as a sum of consecutive naturals, for example, 4410 + ... + 14130.

It is an arithmetic number, because the mean of its divisors is an integer number (4929054).

Almost surely, 2^90113670 is an apocalyptic number.

90113670 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 90113670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118297296).

90113670 is an abundant number, since it is smaller than the sum of its proper divisors (146480922).

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

90113670 is a wasteful number, since it uses less digits than its factorization.

90113670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9837 (or 9834 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 90113670 is about 9492.8220250882. The cubic root of 90113670 is about 448.3290624224.

Adding to 90113670 its reverse (7631109), we get a palindrome (97744779).

The spelling of 90113670 in words is "ninety million, one hundred thirteen thousand, six hundred seventy".