2740046731 has 4 divisors (see below), whose sum is σ = 2803768792. Its totient is φ = 2676324672.

The previous prime is 2740046711. The next prime is 2740046737. The reversal of 2740046731 is 1376400472.

2740046731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2740046731 is a prime.

It is a super-2 number, since 2×2740046731² = 15015712176127572722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2740046737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31860966 + ... + 31861051.

It is an arithmetic number, because the mean of its divisors is an integer number (700942198).

Almost surely, 2^2740046731 is an apocalyptic number.

2740046731 is a deficient number, since it is larger than the sum of its proper divisors (63722061).

2740046731 is an equidigital number, since it uses as much as digits as its factorization.

2740046731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63722060.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 2740046731 is about 52345.4556862389. The cubic root of 2740046731 is about 1399.3273522097.

The spelling of 2740046731 in words is "two billion, seven hundred forty million, forty-six thousand, seven hundred thirty-one".