90079075 has 12 divisors (see below), whose sum is σ = 115550640. Its totient is φ = 69577760.

The previous prime is 90079069. The next prime is 90079079. The reversal of 90079075 is 57097009.

It is not a de Polignac number, because 90079075 - 2¹¹ = 90077027 is a prime.

It is a super-2 number, since 2×90079075² = 16228479505711250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90079079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61399 + ... + 62848.

It is an arithmetic number, because the mean of its divisors is an integer number (9629220).

Almost surely, 2^90079075 is an apocalyptic number.

90079075 is a deficient number, since it is larger than the sum of its proper divisors (25471565).

90079075 is a wasteful number, since it uses less digits than its factorization.

90079075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124286 (or 124281 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 90079075 is about 9490.9996839111. Note that the first 3 decimals coincide. The cubic root of 90079075 is about 448.2716833029.

The spelling of 90079075 in words is "ninety million, seventy-nine thousand, seventy-five".