2736736731 has 12 divisors (see below), whose sum is σ = 3961720152. Its totient is φ = 1820496096.

The previous prime is 2736736729. The next prime is 2736736733. The reversal of 2736736731 is 1376376372.

It is an interprime number because it is at equal distance from previous prime (2736736729) and next prime (2736736733).

It is not a de Polignac number, because 2736736731 - 2¹ = 2736736729 is a prime.

It is a super-2 number, since 2×2736736731² = 14979455869609132722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2736736733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328581 + ... + 336806.

It is an arithmetic number, because the mean of its divisors is an integer number (330143346).

Almost surely, 2^2736736731 is an apocalyptic number.

2736736731 is a deficient number, since it is larger than the sum of its proper divisors (1224983421).

2736736731 is a wasteful number, since it uses less digits than its factorization.

2736736731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665850 (or 665847 counting only the distinct ones).

The product of its digits is 666792, while the sum is 45.

The square root of 2736736731 is about 52313.8292519292. The cubic root of 2736736731 is about 1398.7636586773.

The spelling of 2736736731 in words is "two billion, seven hundred thirty-six million, seven hundred thirty-six thousand, seven hundred thirty-one".