65964743 has 8 divisors (see below), whose sum is σ = 75217968. Its totient is φ = 57308544.

The previous prime is 65964737. The next prime is 65964761. The reversal of 65964743 is 34746956.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65964743 - 2¹⁸ = 65702599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65964694 and 65964703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65964343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149021 + ... + 149462.

It is an arithmetic number, because the mean of its divisors is an integer number (9402246).

Almost surely, 2^65964743 is an apocalyptic number.

65964743 is a deficient number, since it is larger than the sum of its proper divisors (9253225).

65964743 is a wasteful number, since it uses less digits than its factorization.

65964743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298513.

The product of its digits is 544320, while the sum is 44.

The square root of 65964743 is about 8121.8681964189. The cubic root of 65964743 is about 404.0520286389.

The spelling of 65964743 in words is "sixty-five million, nine hundred sixty-four thousand, seven hundred forty-three".