272390064 has 40 divisors (see below), whose sum is σ = 712162752. Its totient is φ = 89701440.

The previous prime is 272390017. The next prime is 272390089. The reversal of 272390064 is 460093272.

272390064 is nontrivially palindromic in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30202 + ... + 38169.

Almost surely, 2^272390064 is an apocalyptic number.

272390064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

272390064 is an abundant number, since it is smaller than the sum of its proper divisors (439772688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272390064 is a wasteful number, since it uses less digits than its factorization.

272390064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68465 (or 68459 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 272390064 is about 16504.2438178791. The cubic root of 272390064 is about 648.2319319139.

The spelling of 272390064 in words is "two hundred seventy-two million, three hundred ninety thousand, sixty-four".