273274664 has 24 divisors (see below), whose sum is σ = 552145230. Its totient is φ = 126048960.

The previous prime is 273274649. The next prime is 273274691. The reversal of 273274664 is 466472372.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 248692900 + 24581764 = 15770^2 + 4958^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167774 + ... + 169394.

Almost surely, 2^273274664 is an apocalyptic number.

It is an amenable number.

273274664 is an abundant number, since it is smaller than the sum of its proper divisors (278870566).

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

273274664 is an equidigital number, since it uses as much as digits as its factorization.

273274664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261 (or 1636 counting only the distinct ones).

The product of its digits is 338688, while the sum is 41.

The square root of 273274664 is about 16531.0212630678. The cubic root of 273274664 is about 648.9328952471.

The spelling of 273274664 in words is "two hundred seventy-three million, two hundred seventy-four thousand, six hundred sixty-four".