2740286731 has 24 divisors (see below), whose sum is σ = 3505965120. Its totient is φ = 2121985152.

The previous prime is 2740286699. The next prime is 2740286737. The reversal of 2740286731 is 1376820472.

2740286731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2740286731 - 2⁵ = 2740286699 is a prime.

It is a super-2 number, since 2×2740286731² = 15018342736189332722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2740286737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15826 + ... + 75703.

It is an arithmetic number, because the mean of its divisors is an integer number (146081880).

Almost surely, 2^2740286731 is an apocalyptic number.

2740286731 is a deficient number, since it is larger than the sum of its proper divisors (765678389).

2740286731 is a wasteful number, since it uses less digits than its factorization.

2740286731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91603 (or 91596 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 2740286731 is about 52347.7480986527. The cubic root of 2740286731 is about 1399.3682065932.

The spelling of 2740286731 in words is "two billion, seven hundred forty million, two hundred eighty-six thousand, seven hundred thirty-one".