90076569 has 8 divisors (see below), whose sum is σ = 131020512. Its totient is φ = 54591840.

The previous prime is 90076531. The next prime is 90076577. The reversal of 90076569 is 96567009.

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

It is not a de Polignac number, because 90076569 - 2⁸ = 90076313 is a prime.

It is a super-2 number, since 2×90076569² = 16227576565623522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 90076569.

It is not an unprimeable number, because it can be changed into a prime (90076589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364764 + ... + 1364829.

It is an arithmetic number, because the mean of its divisors is an integer number (16377564).

Almost surely, 2^90076569 is an apocalyptic number.

It is an amenable number.

90076569 is a deficient number, since it is larger than the sum of its proper divisors (40943943).

90076569 is a wasteful number, since it uses less digits than its factorization.

90076569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729607.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 90076569 is about 9490.8676631802. The cubic root of 90076569 is about 448.2675262914.

It can be divided in two parts, 9007 and 6569, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 90076569 in words is "ninety million, seventy-six thousand, five hundred sixty-nine".