7742735563 has 4 divisors (see below), whose sum is σ = 7750034208. Its totient is φ = 7735436920.

The previous prime is 7742735557. The next prime is 7742735579. The reversal of 7742735563 is 3655372477.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3655372477 = 113 ⋅32348429.

It is a cyclic number.

It is not a de Polignac number, because 7742735563 - 2²⁹ = 7205864651 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7742735513) 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, 3647731 + ... + 3649852.

It is an arithmetic number, because the mean of its divisors is an integer number (1937508552).

Almost surely, 2^7742735563 is an apocalyptic number.

7742735563 is a deficient number, since it is larger than the sum of its proper divisors (7298645).

7742735563 is a wasteful number, since it uses less digits than its factorization.

7742735563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298644.

The product of its digits is 3704400, while the sum is 49.

The square root of 7742735563 is about 87992.8154055773. The cubic root of 7742735563 is about 1978.3272921000.

The spelling of 7742735563 in words is "seven billion, seven hundred forty-two million, seven hundred thirty-five thousand, five hundred sixty-three".