2731312764 has 48 divisors (see below), whose sum is σ = 7128119040. Its totient is φ = 904402800.

The previous prime is 2731312763. The next prime is 2731312817. The reversal of 2731312764 is 4672131372.

2731312764 is a `hidden beast` number, since 273 + 1 + 312 + 76 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731312763) 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, 67434 + ... + 100049.

It is an arithmetic number, because the mean of its divisors is an integer number (148502480).

Almost surely, 2^2731312764 is an apocalyptic number.

It is an amenable number.

2731312764 is an abundant number, since it is smaller than the sum of its proper divisors (4396806276).

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

2731312764 is a wasteful number, since it uses less digits than its factorization.

2731312764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167647 (or 167639 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 2731312764 is about 52261.9628793255. The cubic root of 2731312764 is about 1397.8389727772.

The spelling of 2731312764 in words is "two billion, seven hundred thirty-one million, three hundred twelve thousand, seven hundred sixty-four".