65964765 has 8 divisors (see below), whose sum is σ = 105543648. Its totient is φ = 35181200.

The previous prime is 65964761. The next prime is 65964779. The reversal of 65964765 is 56746956.

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

It is not a de Polignac number, because 65964765 - 2² = 65964761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65964761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198811 + ... + 2198840.

It is an arithmetic number, because the mean of its divisors is an integer number (13192956).

Almost surely, 2^65964765 is an apocalyptic number.

It is an amenable number.

65964765 is a deficient number, since it is larger than the sum of its proper divisors (39578883).

65964765 is a wasteful number, since it uses less digits than its factorization.

65964765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397659.

The product of its digits is 1360800, while the sum is 48.

The square root of 65964765 is about 8121.8695507869. The cubic root of 65964765 is about 404.0520735576.

The spelling of 65964765 in words is "sixty-five million, nine hundred sixty-four thousand, seven hundred sixty-five".