275470272 has 168 divisors, whose sum is σ = 984577152. Its totient is φ = 71539200.

The previous prime is 275470231. The next prime is 275470289. The reversal of 275470272 is 272074572.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41247 + ... + 47457.

Almost surely, 2^275470272 is an apocalyptic number.

275470272 is a gapful number since it is divisible by the number (22) 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 275470272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492288576).

275470272 is an abundant number, since it is smaller than the sum of its proper divisors (709106880).

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

275470272 is a wasteful number, since it uses less digits than its factorization.

275470272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247 (or 6234 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 275470272 is about 16597.2971293521. The cubic root of 275470272 is about 650.6661982289. Note that the first 3 decimals are identical.

The spelling of 275470272 in words is "two hundred seventy-five million, four hundred seventy thousand, two hundred seventy-two".