2745698 has 4 divisors (see below), whose sum is σ = 4118550. Its totient is φ = 1372848.

The previous prime is 2745697. The next prime is 2745719. The reversal of 2745698 is 8965472.

2745698 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 only one way, i.e., 2745649 + 49 = 1657^2 + 7^2 .

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2745697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686423 + ... + 686426.

2^2745698 is an apocalyptic number.

2745698 is a deficient number, since it is larger than the sum of its proper divisors (1372852).

2745698 is a wasteful number, since it uses less digits than its factorization.

2745698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372851.

The product of its digits is 120960, while the sum is 41.

The square root of 2745698 is about 1657.0147856914. The cubic root of 2745698 is about 140.0288715965.

It can be divided in two parts, 2745 and 698, that added together give a palindrome (3443).

The spelling of 2745698 in words is "two million, seven hundred forty-five thousand, six hundred ninety-eight".