2725378 has 4 divisors (see below), whose sum is σ = 4088070. Its totient is φ = 1362688.

The previous prime is 2725369. The next prime is 2725433. The reversal of 2725378 is 8735272.

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., 2712609 + 12769 = 1647^2 + 113^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681343 + ... + 681346.

2^2725378 is an apocalyptic number.

2725378 is a deficient number, since it is larger than the sum of its proper divisors (1362692).

2725378 is a wasteful number, since it uses less digits than its factorization.

2725378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362691.

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

The square root of 2725378 is about 1650.8718908504. The cubic root of 2725378 is about 139.6825801826.

The spelling of 2725378 in words is "two million, seven hundred twenty-five thousand, three hundred seventy-eight".