272780061 has 8 divisors (see below), whose sum is σ = 376248480. Its totient is φ = 175582512.

The previous prime is 272780059. The next prime is 272780071. The reversal of 272780061 is 160087272.

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

It is not a de Polignac number, because 272780061 - 2¹ = 272780059 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272780051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1567615 + ... + 1567788.

It is an arithmetic number, because the mean of its divisors is an integer number (47031060).

Almost surely, 2^272780061 is an apocalyptic number.

It is an amenable number.

272780061 is a deficient number, since it is larger than the sum of its proper divisors (103468419).

272780061 is a wasteful number, since it uses less digits than its factorization.

272780061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135435.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 272780061 is about 16516.0546438912. The cubic root of 272780061 is about 648.5411550763.

The spelling of 272780061 in words is "two hundred seventy-two million, seven hundred eighty thousand, sixty-one".