1302749073 has 12 divisors (see below), whose sum is σ = 1883748048. Its totient is φ = 867576600.

The previous prime is 1302749059. The next prime is 1302749081. The reversal of 1302749073 is 3709472031.

It is not a de Polignac number, because 1302749073 - 2⁴ = 1302749057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1302749473) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 67903 + ... + 84948.

It is an arithmetic number, because the mean of its divisors is an integer number (156979004).

Almost surely, 2^1302749073 is an apocalyptic number.

It is an amenable number.

1302749073 is a deficient number, since it is larger than the sum of its proper divisors (580998975).

1302749073 is a wasteful number, since it uses less digits than its factorization.

1302749073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153804 (or 153801 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 1302749073 is about 36093.6154049438. The cubic root of 1302749073 is about 1092.1616539052.

The spelling of 1302749073 in words is "one billion, three hundred two million, seven hundred forty-nine thousand, seventy-three".