27630765 has 48 divisors (see below), whose sum is σ = 51217920. Its totient is φ = 13749120.

The previous prime is 27630739. The next prime is 27630767. The reversal of 27630765 is 56703672.

It is a happy number.

27630765 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 27630765 - 2⁷ = 27630637 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27630767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40114 + ... + 40796.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^27630765 is an apocalyptic number.

It is an amenable number.

27630765 is a deficient number, since it is larger than the sum of its proper divisors (23587155).

27630765 is a wasteful number, since it uses less digits than its factorization.

27630765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 27630765 is about 5256.4974079704. The cubic root of 27630765 is about 302.3182069141.

The spelling of 27630765 in words is "twenty-seven million, six hundred thirty thousand, seven hundred sixty-five".