272776725 has 36 divisors (see below), whose sum is σ = 526161636. Its totient is φ = 134288640.

The previous prime is 272776709. The next prime is 272776733. The reversal of 272776725 is 527677272.

It can be written as a sum of positive squares in 6 ways, for example, as 427716 + 272349009 = 654^2 + 16503^2 .

It is not a de Polignac number, because 272776725 - 2⁴ = 272776709 is a prime.

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

It is a Curzon number.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 43704 + ... + 49553.

It is an arithmetic number, because the mean of its divisors is an integer number (14615601).

Almost surely, 2^272776725 is an apocalyptic number.

272776725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

272776725 is a deficient number, since it is larger than the sum of its proper divisors (253384911).

272776725 is a wasteful number, since it uses less digits than its factorization.

272776725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93286 (or 93278 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The square root of 272776725 is about 16515.9536509401. The cubic root of 272776725 is about 648.5385112587.

The spelling of 272776725 in words is "two hundred seventy-two million, seven hundred seventy-six thousand, seven hundred twenty-five".