65768007 has 4 divisors (see below), whose sum is σ = 87690680. Its totient is φ = 43845336.

The previous prime is 65767991. The next prime is 65768009. The reversal of 65768007 is 70086756.

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

It is not a de Polignac number, because 65768007 - 2⁴ = 65767991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65768009) 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, 10961332 + ... + 10961337.

It is an arithmetic number, because the mean of its divisors is an integer number (21922670).

Almost surely, 2^65768007 is an apocalyptic number.

65768007 is a deficient number, since it is larger than the sum of its proper divisors (21922673).

65768007 is a wasteful number, since it uses less digits than its factorization.

65768007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21922672.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 65768007 is about 8109.7476532874. The cubic root of 65768007 is about 403.6499414339.

The spelling of 65768007 in words is "sixty-five million, seven hundred sixty-eight thousand, seven".