2747040645 has 8 divisors (see below), whose sum is σ = 4395265056. Its totient is φ = 1465088336.

The previous prime is 2747040641. The next prime is 2747040661. The reversal of 2747040645 is 5460407472.

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

It is a cyclic number.

It is not a de Polignac number, because 2747040645 - 2² = 2747040641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747040641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91568007 + ... + 91568036.

It is an arithmetic number, because the mean of its divisors is an integer number (549408132).

Almost surely, 2^2747040645 is an apocalyptic number.

It is an amenable number.

2747040645 is a deficient number, since it is larger than the sum of its proper divisors (1648224411).

2747040645 is a wasteful number, since it uses less digits than its factorization.

2747040645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183136051.

The product of its (nonzero) digits is 188160, while the sum is 39.

The square root of 2747040645 is about 52412.2184705055. The cubic root of 2747040645 is about 1400.5169256073.

The spelling of 2747040645 in words is "two billion, seven hundred forty-seven million, forty thousand, six hundred forty-five".