27974736 has 30 divisors (see below), whose sum is σ = 78290810. Its totient is φ = 9324864.

The previous prime is 27974719. The next prime is 27974743. The reversal of 27974736 is 63747972.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18974736 + 9000000 = 4356^2 + 3000^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27974691 and 27974700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96991 + ... + 97278.

Almost surely, 2^27974736 is an apocalyptic number.

It is an amenable number.

27974736 is an abundant number, since it is smaller than the sum of its proper divisors (50316074).

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

27974736 is a wasteful number, since it uses less digits than its factorization.

27974736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194283 (or 194274 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 27974736 is about 5289.1148597851. The cubic root of 27974736 is about 303.5675406772.

The spelling of 27974736 in words is "twenty-seven million, nine hundred seventy-four thousand, seven hundred thirty-six".