27396642 has 32 divisors (see below), whose sum is σ = 67439232. Its totient is φ = 7225344.

The previous prime is 27396641. The next prime is 27396643. The reversal of 27396642 is 24669372.

It is an interprime number because it is at equal distance from previous prime (27396641) and next prime (27396643).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 27396642.

It is not an unprimeable number, because it can be changed into a prime (27396641) 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, 24543 + ... + 25634.

It is an arithmetic number, because the mean of its divisors is an integer number (2107476).

Almost surely, 2^27396642 is an apocalyptic number.

27396642 is an abundant number, since it is smaller than the sum of its proper divisors (40042590).

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

27396642 is a wasteful number, since it uses less digits than its factorization.

27396642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50202.

The product of its digits is 108864, while the sum is 39.

The square root of 27396642 is about 5234.1801650306. The cubic root of 27396642 is about 301.4619089468.

The spelling of 27396642 in words is "twenty-seven million, three hundred ninety-six thousand, six hundred forty-two".