274781066072 has 16 divisors (see below), whose sum is σ = 515235240240. Its totient is φ = 137385002016.

The previous prime is 274781066071. The next prime is 274781066149. The reversal of 274781066072 is 270660187472.

It is a self number, because there is not a number n which added to its sum of digits gives 274781066072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274781066071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476303 + ... + 881150.

It is an arithmetic number, because the mean of its divisors is an integer number (32202202515).

Almost surely, 2^274781066072 is an apocalyptic number.

It is an amenable number.

274781066072 is a deficient number, since it is larger than the sum of its proper divisors (240454174168).

274781066072 is a wasteful number, since it uses less digits than its factorization.

274781066072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382762 (or 1382758 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 274781066072 in words is "two hundred seventy-four billion, seven hundred eighty-one million, sixty-six thousand, seventy-two".