27694440 has 64 divisors (see below), whose sum is σ = 92318400. Its totient is φ = 7384896.

The previous prime is 27694409. The next prime is 27694441. The reversal of 27694440 is 4449672.

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

It is a junction number, because it is equal to n+sod(n) for n = 27694395 and 27694404.

It is not an unprimeable number, because it can be changed into a prime (27694441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11742 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (1442475).

Almost surely, 2^27694440 is an apocalyptic number.

27694440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27694440 is an abundant number, since it is smaller than the sum of its proper divisors (64623960).

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

27694440 is a wasteful number, since it uses less digits than its factorization.

27694440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25663 (or 25653 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 27694440 is about 5262.5507123447. The cubic root of 27694440 is about 302.5502591628.

The spelling of 27694440 in words is "twenty-seven million, six hundred ninety-four thousand, four hundred forty".