90068370 has 64 divisors (see below), whose sum is σ = 252115200. Its totient is φ = 20584704.

The previous prime is 90068369. The next prime is 90068371. The reversal of 90068370 is 7386009.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90068369) and next prime (90068371).

It is a super-2 number, since 2×90068370² = 16224622548913800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90068371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5914 + ... + 14666.

It is an arithmetic number, because the mean of its divisors is an integer number (3939300).

Almost surely, 2^90068370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90068370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126057600).

90068370 is an abundant number, since it is smaller than the sum of its proper divisors (162046830).

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

90068370 is a wasteful number, since it uses less digits than its factorization.

90068370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784 (or 8770 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 90068370 is about 9490.4357118101. The cubic root of 90068370 is about 448.2539250593.

The spelling of 90068370 in words is "ninety million, sixty-eight thousand, three hundred seventy".