65607743 has 4 divisors (see below), whose sum is σ = 69467040. Its totient is φ = 61748448.

The previous prime is 65607739. The next prime is 65607761. The reversal of 65607743 is 34770656.

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 65607743 - 2² = 65607739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65607697 and 65607706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65607733) 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, 1929623 + ... + 1929656.

It is an arithmetic number, because the mean of its divisors is an integer number (17366760).

Almost surely, 2^65607743 is an apocalyptic number.

65607743 is a deficient number, since it is larger than the sum of its proper divisors (3859297).

65607743 is a wasteful number, since it uses less digits than its factorization.

65607743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859296.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 65607743 is about 8099.8606778142. The cubic root of 65607743 is about 403.3218022946.

The spelling of 65607743 in words is "sixty-five million, six hundred seven thousand, seven hundred forty-three".