272749770 has 24 divisors (see below), whose sum is σ = 709149636. Its totient is φ = 72733248.

The previous prime is 272749747. The next prime is 272749781. The reversal of 272749770 is 77947272.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 271359729 + 1390041 = 16473^2 + 1179^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1515187 + ... + 1515366.

Almost surely, 2^272749770 is an apocalyptic number.

272749770 is an abundant number, since it is smaller than the sum of its proper divisors (436399866).

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

272749770 is a wasteful number, since it uses less digits than its factorization.

272749770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030566 (or 3030563 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The square root of 272749770 is about 16515.1376016066. The cubic root of 272749770 is about 648.5171483273.

The spelling of 272749770 in words is "two hundred seventy-two million, seven hundred forty-nine thousand, seven hundred seventy".