27693036 has 72 divisors (see below), whose sum is σ = 83534640. Its totient is φ = 7910784.

The previous prime is 27693031. The next prime is 27693037. The reversal of 27693036 is 63039672.

27693036 = 45² + 46² + ... + 436².

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27693031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2676 + ... + 7908.

Almost surely, 2^27693036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27693036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41767320).

27693036 is an abundant number, since it is smaller than the sum of its proper divisors (55841604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27693036 is a wasteful number, since it uses less digits than its factorization.

27693036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260 (or 5245 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 27693036 is about 5262.4173152649. The cubic root of 27693036 is about 302.5451463707.

The spelling of 27693036 in words is "twenty-seven million, six hundred ninety-three thousand, thirty-six".