272774661 has 8 divisors (see below), whose sum is σ = 363802080. Its totient is φ = 181798512.

The previous prime is 272774651. The next prime is 272774669. The reversal of 272774661 is 166477272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 272774661 - 2⁵ = 272774629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272774669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2070 + ... + 23448.

It is an arithmetic number, because the mean of its divisors is an integer number (45475260).

Almost surely, 2^272774661 is an apocalyptic number.

It is an amenable number.

272774661 is a deficient number, since it is larger than the sum of its proper divisors (91027419).

272774661 is a wasteful number, since it uses less digits than its factorization.

272774661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25635.

The product of its digits is 197568, while the sum is 42.

The square root of 272774661 is about 16515.8911657833. The cubic root of 272774661 is about 648.5368755047.

The spelling of 272774661 in words is "two hundred seventy-two million, seven hundred seventy-four thousand, six hundred sixty-one".