1320746727 has 8 divisors (see below), whose sum is σ = 1783287040. Its totient is φ = 869352120.

The previous prime is 1320746663. The next prime is 1320746729. The reversal of 1320746727 is 7276470231.

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

It is not a de Polignac number, because 1320746727 - 2⁶ = 1320746663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320746729) 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, 2786149 + ... + 2786622.

It is an arithmetic number, because the mean of its divisors is an integer number (222910880).

Almost surely, 2^1320746727 is an apocalyptic number.

1320746727 is a deficient number, since it is larger than the sum of its proper divisors (462540313).

1320746727 is an equidigital number, since it uses as much as digits as its factorization.

1320746727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572853.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 1320746727 is about 36342.0792883401. The cubic root of 1320746727 is about 1097.1681226622.

The spelling of 1320746727 in words is "one billion, three hundred twenty million, seven hundred forty-six thousand, seven hundred twenty-seven".