2745727394 has 8 divisors (see below), whose sum is σ = 4120487760. Its totient is φ = 1372231476.

The previous prime is 2745727379. The next prime is 2745727421. The reversal of 2745727394 is 4937275472.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310664 + ... + 319379.

It is an arithmetic number, because the mean of its divisors is an integer number (515060970).

Almost surely, 2^2745727394 is an apocalyptic number.

2745727394 is a deficient number, since it is larger than the sum of its proper divisors (1374760366).

2745727394 is a wasteful number, since it uses less digits than its factorization.

2745727394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632224.

The product of its digits is 2963520, while the sum is 50.

The square root of 2745727394 is about 52399.6888731221. The cubic root of 2745727394 is about 1400.2937128660.

The spelling of 2745727394 in words is "two billion, seven hundred forty-five million, seven hundred twenty-seven thousand, three hundred ninety-four".