272661740 has 48 divisors (see below), whose sum is σ = 636545280. Its totient is φ = 97424640.

The previous prime is 272661689. The next prime is 272661749. The reversal of 272661740 is 47166272.

It is a self number, because there is not a number n which added to its sum of digits gives 272661740.

It is not an unprimeable number, because it can be changed into a prime (272661749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8855 + ... + 24974.

It is an arithmetic number, because the mean of its divisors is an integer number (13261360).

Almost surely, 2^272661740 is an apocalyptic number.

272661740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272661740 is an abundant number, since it is smaller than the sum of its proper divisors (363883540).

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

272661740 is a wasteful number, since it uses less digits than its factorization.

272661740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33882 (or 33880 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 272661740 is about 16512.4722558435. The cubic root of 272661740 is about 648.4473711741.

The spelling of 272661740 in words is "two hundred seventy-two million, six hundred sixty-one thousand, seven hundred forty".