90070158 has 8 divisors (see below), whose sum is σ = 180140328. Its totient is φ = 30023384.

The previous prime is 90070157. The next prime is 90070171. The reversal of 90070158 is 85107009.

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

90070158 is an admirable number.

It is a super-2 number, since 2×90070158² = 16225266724289928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90070157) 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, 7505841 + ... + 7505852.

It is an arithmetic number, because the mean of its divisors is an integer number (22517541).

Almost surely, 2^90070158 is an apocalyptic number.

90070158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90070158 is a wasteful number, since it uses less digits than its factorization.

90070158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15011698.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 90070158 is about 9490.5299114433. The cubic root of 90070158 is about 448.2568912234.

The spelling of 90070158 in words is "ninety million, seventy thousand, one hundred fifty-eight".