65794747 has 4 divisors (see below), whose sum is σ = 65939176. Its totient is φ = 65650320.

The previous prime is 65794727. The next prime is 65794831. The reversal of 65794747 is 74749756.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65794747 - 2¹⁹ = 65270459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65794747.

It is not an unprimeable number, because it can be changed into a prime (65794717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71529 + ... + 72442.

It is an arithmetic number, because the mean of its divisors is an integer number (16484794).

Almost surely, 2^65794747 is an apocalyptic number.

65794747 is a deficient number, since it is larger than the sum of its proper divisors (144429).

65794747 is a wasteful number, since it uses less digits than its factorization.

65794747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144428.

The product of its digits is 1481760, while the sum is 49.

The square root of 65794747 is about 8111.3961190414. The cubic root of 65794747 is about 403.7046394420.

The spelling of 65794747 in words is "sixty-five million, seven hundred ninety-four thousand, seven hundred forty-seven".