90699727 has 8 divisors (see below), whose sum is σ = 92178000. Its totient is φ = 89233344.

The previous prime is 90699703. The next prime is 90699751. The reversal of 90699727 is 72799609.

It is an interprime number because it is at equal distance from previous prime (90699703) and next prime (90699751).

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

It is a cyclic number.

It is not a de Polignac number, because 90699727 - 2¹⁹ = 90175439 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 (90699757) 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, 13099 + ... + 18787.

It is an arithmetic number, because the mean of its divisors is an integer number (11522250).

Almost surely, 2^90699727 is an apocalyptic number.

90699727 is a deficient number, since it is larger than the sum of its proper divisors (1478273).

90699727 is a wasteful number, since it uses less digits than its factorization.

90699727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5945.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 90699727 is about 9523.6404279036. The cubic root of 90699727 is about 449.2988703009.

The spelling of 90699727 in words is "ninety million, six hundred ninety-nine thousand, seven hundred twenty-seven".