90567071 has 8 divisors (see below), whose sum is σ = 103562784. Its totient is φ = 77585760.

The previous prime is 90566989. The next prime is 90567107. The reversal of 90567071 is 17076509.

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

It is a de Polignac number, because none of the positive numbers 2^k-90567071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90567271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23261 + ... + 26873.

It is an arithmetic number, because the mean of its divisors is an integer number (12945348).

Almost surely, 2^90567071 is an apocalyptic number.

90567071 is a deficient number, since it is larger than the sum of its proper divisors (12995713).

90567071 is a wasteful number, since it uses less digits than its factorization.

90567071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 90567071 is about 9516.6733158179. The cubic root of 90567071 is about 449.0797175931.

It can be divided in two parts, 905 and 67071, that added together give a palindrome (67976).

The spelling of 90567071 in words is "ninety million, five hundred sixty-seven thousand, seventy-one".