272697540 has 24 divisors (see below), whose sum is σ = 763553280. Its totient is φ = 72719328.

The previous prime is 272697521. The next prime is 272697569. The reversal of 272697540 is 45796272.

It is a junction number, because it is equal to n+sod(n) for n = 272697492 and 272697501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2272420 + ... + 2272539.

It is an arithmetic number, because the mean of its divisors is an integer number (31814720).

Almost surely, 2^272697540 is an apocalyptic number.

272697540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272697540 is an abundant number, since it is smaller than the sum of its proper divisors (490855740).

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

272697540 is a wasteful number, since it uses less digits than its factorization.

272697540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544971 (or 4544969 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 272697540 is about 16513.5562493365. The cubic root of 272697540 is about 648.4757499264.

The spelling of 272697540 in words is "two hundred seventy-two million, six hundred ninety-seven thousand, five hundred forty".