65734867 has 4 divisors (see below), whose sum is σ = 71710776. Its totient is φ = 59758960.

The previous prime is 65734861. The next prime is 65734871. The reversal of 65734867 is 76843756.

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 65734867 - 2²³ = 57346259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65734861) 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, 2987938 + ... + 2987959.

It is an arithmetic number, because the mean of its divisors is an integer number (17927694).

Almost surely, 2^65734867 is an apocalyptic number.

65734867 is a deficient number, since it is larger than the sum of its proper divisors (5975909).

65734867 is a wasteful number, since it uses less digits than its factorization.

65734867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975908.

The product of its digits is 846720, while the sum is 46.

The square root of 65734867 is about 8107.7041756591. The cubic root of 65734867 is about 403.5821313281.

Subtracting 65734867 from its reverse (76843756), we obtain a square (11108889 = 3333²).

The spelling of 65734867 in words is "sixty-five million, seven hundred thirty-four thousand, eight hundred sixty-seven".