2730194 has 4 divisors (see below), whose sum is σ = 4095294. Its totient is φ = 1365096.

The previous prime is 2730191. The next prime is 2730197. The reversal of 2730194 is 4910372.

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

It is an interprime number because it is at equal distance from previous prime (2730191) and next prime (2730197).

It can be written as a sum of positive squares in only one way, i.e., 1600225 + 1129969 = 1265^2 + 1063^2 .

It is not an unprimeable number, because it can be changed into a prime (2730191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682547 + ... + 682550.

2^2730194 is an apocalyptic number.

2730194 is a deficient number, since it is larger than the sum of its proper divisors (1365100).

2730194 is a wasteful number, since it uses less digits than its factorization.

2730194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365099.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2730194 is about 1652.3298702136. The cubic root of 2730194 is about 139.7648091978.

The spelling of 2730194 in words is "two million, seven hundred thirty thousand, one hundred ninety-four".