1368348073 has 4 divisors (see below), whose sum is σ = 1369052100. Its totient is φ = 1367644048.

The previous prime is 1368348053. The next prime is 1368348077. The reversal of 1368348073 is 3708438631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3708438631 = 36467 ⋅101693.

It can be written as a sum of positive squares in 2 ways, for example, as 1047687424 + 320660649 = 32368^2 + 17907^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368348073 - 2¹³ = 1368339881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368348077) 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, 349090 + ... + 352987.

It is an arithmetic number, because the mean of its divisors is an integer number (342263025).

Almost surely, 2^1368348073 is an apocalyptic number.

It is an amenable number.

1368348073 is a deficient number, since it is larger than the sum of its proper divisors (704027).

1368348073 is an equidigital number, since it uses as much as digits as its factorization.

1368348073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704026.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 1368348073 is about 36991.1891266015. The cubic root of 1368348073 is about 1110.1939636155.

The spelling of 1368348073 in words is "one billion, three hundred sixty-eight million, three hundred forty-eight thousand, seventy-three".