272906840 has 32 divisors (see below), whose sum is σ = 615654000. Its totient is φ = 108875904.

The previous prime is 272906807. The next prime is 272906873. The reversal of 272906840 is 48609272.

It is an interprime number because it is at equal distance from previous prime (272906807) and next prime (272906873).

It is a junction number, because it is equal to n+sod(n) for n = 272906794 and 272906803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6791 + ... + 24329.

Almost surely, 2^272906840 is an apocalyptic number.

272906840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272906840 is an abundant number, since it is smaller than the sum of its proper divisors (342747160).

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

272906840 is a wasteful number, since it uses less digits than its factorization.

272906840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17939 (or 17935 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 272906840 is about 16519.8922514646. The cubic root of 272906840 is about 648.6416128885.

The spelling of 272906840 in words is "two hundred seventy-two million, nine hundred six thousand, eight hundred forty".