65305707 has 4 divisors (see below), whose sum is σ = 87074280. Its totient is φ = 43537136.

The previous prime is 65305693. The next prime is 65305711. The reversal of 65305707 is 70750356.

It is a happy number.

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 65305707 - 2¹⁰ = 65304683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65300707) 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, 10884282 + ... + 10884287.

It is an arithmetic number, because the mean of its divisors is an integer number (21768570).

Almost surely, 2^65305707 is an apocalyptic number.

65305707 is a deficient number, since it is larger than the sum of its proper divisors (21768573).

65305707 is a wasteful number, since it uses less digits than its factorization.

65305707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21768572.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 65305707 is about 8081.1946517826. The cubic root of 65305707 is about 402.7019307480.

The spelling of 65305707 in words is "sixty-five million, three hundred five thousand, seven hundred seven".