272478064 has 20 divisors (see below), whose sum is σ = 542195704. Its totient is φ = 132556608.

The previous prime is 272478061. The next prime is 272478071. The reversal of 272478064 is 460874272.

It is a super-2 number, since 2×272478064² = 148488590722376192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272478061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229542 + ... + 230725.

Almost surely, 2^272478064 is an apocalyptic number.

It is an amenable number.

272478064 is a deficient number, since it is larger than the sum of its proper divisors (269717640).

272478064 is a wasteful number, since it uses less digits than its factorization.

272478064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460312 (or 460306 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 272478064 is about 16506.9095835653. The cubic root of 272478064 is about 648.3017316552.

The spelling of 272478064 in words is "two hundred seventy-two million, four hundred seventy-eight thousand, sixty-four".