90572727 has 12 divisors (see below), whose sum is σ = 140480376. Its totient is φ = 51755760.

The previous prime is 90572723. The next prime is 90572737. The reversal of 90572727 is 72727509.

It is not a de Polignac number, because 90572727 - 2² = 90572723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90572723) 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, 307924 + ... + 308217.

It is an arithmetic number, because the mean of its divisors is an integer number (11706698).

Almost surely, 2^90572727 is an apocalyptic number.

90572727 is a deficient number, since it is larger than the sum of its proper divisors (49907649).

90572727 is a wasteful number, since it uses less digits than its factorization.

90572727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616158 (or 616151 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 90572727 is about 9516.9704738430. The cubic root of 90572727 is about 449.0890658841.

The spelling of 90572727 in words is "ninety million, five hundred seventy-two thousand, seven hundred twenty-seven".