90527047 has 6 divisors (see below), whose sum is σ = 98026512. Its totient is φ = 83563272.

The previous prime is 90527033. The next prime is 90527051. The reversal of 90527047 is 74072509.

It is not a de Polignac number, because 90527047 - 2¹⁵ = 90494279 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 (90527027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 267663 + ... + 268000.

It is an arithmetic number, because the mean of its divisors is an integer number (16337752).

Almost surely, 2^90527047 is an apocalyptic number.

90527047 is a deficient number, since it is larger than the sum of its proper divisors (7499465).

90527047 is a wasteful number, since it uses less digits than its factorization.

90527047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535689 (or 535676 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 90527047 is about 9514.5702477831. The cubic root of 90527047 is about 449.0135544178.

The spelling of 90527047 in words is "ninety million, five hundred twenty-seven thousand, forty-seven".