27434000 has 160 divisors (see below), whose sum is σ = 76602240. Its totient is φ = 9408000.

The previous prime is 27433993. The next prime is 27434003. The reversal of 27434000 is 43472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (27434003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637979 + ... + 638021.

It is an arithmetic number, because the mean of its divisors is an integer number (478764).

Almost surely, 2^27434000 is an apocalyptic number.

27434000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27434000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38301120).

27434000 is an abundant number, since it is smaller than the sum of its proper divisors (49168240).

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

27434000 is a wasteful number, since it uses less digits than its factorization.

27434000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 27434000 is about 5237.7476075122. The cubic root of 27434000 is about 301.5988709745.

Adding to 27434000 its reverse (43472), we get a palindrome (27477472).

The spelling of 27434000 in words is "twenty-seven million, four hundred thirty-four thousand".