27434620 has 12 divisors (see below), whose sum is σ = 57612744. Its totient is φ = 10973840.

The previous prime is 27434599. The next prime is 27434621. The reversal of 27434620 is 2643472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27434621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685846 + ... + 685885.

It is an arithmetic number, because the mean of its divisors is an integer number (4801062).

Almost surely, 2^27434620 is an apocalyptic number.

27434620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27434620 is an abundant number, since it is smaller than the sum of its proper divisors (30178124).

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

27434620 is a wasteful number, since it uses less digits than its factorization.

27434620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371740 (or 1371738 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 27434620 is about 5237.8067929239. The cubic root of 27434620 is about 301.6011429714.

The spelling of 27434620 in words is "twenty-seven million, four hundred thirty-four thousand, six hundred twenty".