2725738 has 4 divisors (see below), whose sum is σ = 4088610. Its totient is φ = 1362868.

The previous prime is 2725711. The next prime is 2725769. The reversal of 2725738 is 8375272.

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

It can be written as a sum of positive squares in only one way, i.e., 2666689 + 59049 = 1633^2 + 243^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681433 + ... + 681436.

2^2725738 is an apocalyptic number.

2725738 is a deficient number, since it is larger than the sum of its proper divisors (1362872).

2725738 is a wasteful number, since it uses less digits than its factorization.

2725738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362871.

The product of its digits is 23520, while the sum is 34.

The square root of 2725738 is about 1650.9809205439. The cubic root of 2725738 is about 139.6887302182.

The spelling of 2725738 in words is "two million, seven hundred twenty-five thousand, seven hundred thirty-eight".