2732726731 has 4 divisors (see below), whose sum is σ = 3123116272. Its totient is φ = 2342337192.

The previous prime is 2732726729. The next prime is 2732726741. The reversal of 2732726731 is 1376272372.

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

It is a cyclic number.

It is not a de Polignac number, because 2732726731 - 2¹ = 2732726729 is a prime.

It is a super-2 number, since 2×2732726731² = 14935590772643892722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2732726741) 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, 195194760 + ... + 195194773.

It is an arithmetic number, because the mean of its divisors is an integer number (780779068).

Almost surely, 2^2732726731 is an apocalyptic number.

2732726731 is a deficient number, since it is larger than the sum of its proper divisors (390389541).

2732726731 is an equidigital number, since it uses as much as digits as its factorization.

2732726731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390389540.

The product of its digits is 148176, while the sum is 40.

The square root of 2732726731 is about 52275.4888164616. The cubic root of 2732726731 is about 1398.0801458416.

The spelling of 2732726731 in words is "two billion, seven hundred thirty-two million, seven hundred twenty-six thousand, seven hundred thirty-one".