27274464 has 144 divisors (see below), whose sum is σ = 90260352. Its totient is φ = 7651584.

The previous prime is 27274459. The next prime is 27274469. The reversal of 27274464 is 46447272.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27274459) and next prime (27274469).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27274469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167247 + ... + 167409.

It is an arithmetic number, because the mean of its divisors is an integer number (626808).

Almost surely, 2^27274464 is an apocalyptic number.

27274464 is a gapful number since it is divisible by the number (24) 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 27274464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45130176).

27274464 is an abundant number, since it is smaller than the sum of its proper divisors (62985888).

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

27274464 is a wasteful number, since it uses less digits than its factorization.

27274464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 258 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 27274464 is about 5222.4959550008. The cubic root of 27274464 is about 301.0131081881.

The spelling of 27274464 in words is "twenty-seven million, two hundred seventy-four thousand, four hundred sixty-four".