2725442737 has 4 divisors (see below), whose sum is σ = 2885762916. Its totient is φ = 2565122560.

The previous prime is 2725442711. The next prime is 2725442803. The reversal of 2725442737 is 7372445272.

2725442737 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 can be written as a sum of positive squares in 2 ways, for example, as 1957266081 + 768176656 = 44241^2 + 27716^2 .

It is a cyclic number.

It is not a de Polignac number, because 2725442737 - 2¹¹ = 2725440689 is a prime.

It is a super-2 number, since 2×2725442737² = 14856076225332102338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2725442693 and 2725442702.

It is not an unprimeable number, because it can be changed into a prime (2725443737) 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, 80160064 + ... + 80160097.

It is an arithmetic number, because the mean of its divisors is an integer number (721440729).

Almost surely, 2^2725442737 is an apocalyptic number.

It is an amenable number.

2725442737 is a deficient number, since it is larger than the sum of its proper divisors (160320179).

2725442737 is a wasteful number, since it uses less digits than its factorization.

2725442737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160320178.

The product of its digits is 658560, while the sum is 43.

The square root of 2725442737 is about 52205.7730236801. The cubic root of 2725442737 is about 1396.8368615271.

The spelling of 2725442737 in words is "two billion, seven hundred twenty-five million, four hundred forty-two thousand, seven hundred thirty-seven".