2736620725 has 6 divisors (see below), whose sum is σ = 3393409730. Its totient is φ = 2189296560.

The previous prime is 2736620723. The next prime is 2736620729. The reversal of 2736620725 is 5270266372.

It can be written as a sum of positive squares in 3 ways, for example, as 3526884 + 2733093841 = 1878^2 + 52279^2 .

It is not a de Polignac number, because 2736620725 - 2¹ = 2736620723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2736620723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54732390 + ... + 54732439.

Almost surely, 2^2736620725 is an apocalyptic number.

2736620725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2736620725 is a deficient number, since it is larger than the sum of its proper divisors (656789005).

2736620725 is a wasteful number, since it uses less digits than its factorization.

2736620725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109464839 (or 109464834 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 2736620725 is about 52312.7204893800. The cubic root of 2736620725 is about 1398.7438945950.

The spelling of 2736620725 in words is "two billion, seven hundred thirty-six million, six hundred twenty thousand, seven hundred twenty-five".