2745684270 has 64 divisors (see below), whose sum is σ = 8367805440. Its totient is φ = 627584544.

The previous prime is 2745684217. The next prime is 2745684313. The reversal of 2745684270 is 724865472.

It is a happy number.

It is a super-2 number, since 2×2745684270² = 15077564221050865800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724482 + ... + 728261.

It is an arithmetic number, because the mean of its divisors is an integer number (130746960).

Almost surely, 2^2745684270 is an apocalyptic number.

2745684270 is an abundant number, since it is smaller than the sum of its proper divisors (5622121170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2745684270 is a wasteful number, since it uses less digits than its factorization.

2745684270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452766 (or 1452760 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 2745684270 is about 52399.2773805136. The cubic root of 2745684270 is about 1400.2863818903.

The spelling of 2745684270 in words is "two billion, seven hundred forty-five million, six hundred eighty-four thousand, two hundred seventy".