7728673546 has 8 divisors (see below), whose sum is σ = 12646920384. Its totient is φ = 3513033420.

The previous prime is 7728673543. The next prime is 7728673549. The reversal of 7728673546 is 6453768277.

It is an interprime number because it is at equal distance from previous prime (7728673543) and next prime (7728673549).

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

It is not an unprimeable number, because it can be changed into a prime (7728673543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175651650 + ... + 175651693.

It is an arithmetic number, because the mean of its divisors is an integer number (1580865048).

Almost surely, 2^7728673546 is an apocalyptic number.

7728673546 is a deficient number, since it is larger than the sum of its proper divisors (4918246838).

7728673546 is a wasteful number, since it uses less digits than its factorization.

7728673546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351303356.

The product of its digits is 11854080, while the sum is 55.

The square root of 7728673546 is about 87912.8747453978. The cubic root of 7728673546 is about 1977.1289158853.

The spelling of 7728673546 in words is "seven billion, seven hundred twenty-eight million, six hundred seventy-three thousand, five hundred forty-six".