2735680725 has 36 divisors (see below), whose sum is σ = 4980259492. Its totient is φ = 1435104000.

The previous prime is 2735680709. The next prime is 2735680733. The reversal of 2735680725 is 5270865372.

2735680725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 47361924 + 2688318801 = 6882^2 + 51849^2 .

It is not a de Polignac number, because 2735680725 - 2⁴ = 2735680709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 85936 + ... + 113385.

Almost surely, 2^2735680725 is an apocalyptic number.

2735680725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2735680725 is a deficient number, since it is larger than the sum of its proper divisors (2244578767).

2735680725 is a wasteful number, since it uses less digits than its factorization.

2735680725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199398 (or 199390 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 2735680725 is about 52303.7352872622. The cubic root of 2735680725 is about 1398.5837250570.

The spelling of 2735680725 in words is "two billion, seven hundred thirty-five million, six hundred eighty thousand, seven hundred twenty-five".