27072436 has 6 divisors (see below), whose sum is σ = 47376770. Its totient is φ = 13536216.

The previous prime is 27072407. The next prime is 27072443. The reversal of 27072436 is 63427072.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25948836 + 1123600 = 5094^2 + 1060^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27072398 and 27072407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3384051 + ... + 3384058.

Almost surely, 2^27072436 is an apocalyptic number.

It is an amenable number.

27072436 is a deficient number, since it is larger than the sum of its proper divisors (20304334).

27072436 is a wasteful number, since it uses less digits than its factorization.

27072436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768113 (or 6768111 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 27072436 is about 5203.1179114066. The cubic root of 27072436 is about 300.2680419219.

The spelling of 27072436 in words is "twenty-seven million, seventy-two thousand, four hundred thirty-six".