2757272720 has 40 divisors (see below), whose sum is σ = 6469492920. Its totient is φ = 1092787200.

The previous prime is 2757272677. The next prime is 2757272741. The reversal of 2757272720 is 272727572.

It can be written as a sum of positive squares in 4 ways, for example, as 1212153856 + 1545118864 = 34816^2 + 39308^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149381 + ... + 166820.

It is an arithmetic number, because the mean of its divisors is an integer number (161737323).

Almost surely, 2^2757272720 is an apocalyptic number.

2757272720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2757272720 is an abundant number, since it is smaller than the sum of its proper divisors (3712220200).

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

2757272720 is a wasteful number, since it uses less digits than its factorization.

2757272720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316323 (or 316317 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 41.

The square root of 2757272720 is about 52509.7392871075. The cubic root of 2757272720 is about 1402.2536355928.

The spelling of 2757272720 in words is "two billion, seven hundred fifty-seven million, two hundred seventy-two thousand, seven hundred twenty".