65642795 has 4 divisors (see below), whose sum is σ = 78771360. Its totient is φ = 52514232.

The previous prime is 65642789. The next prime is 65642803. The reversal of 65642795 is 59724656.

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 65642795 - 2⁸ = 65642539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6564275 + ... + 6564284.

It is an arithmetic number, because the mean of its divisors is an integer number (19692840).

Almost surely, 2^65642795 is an apocalyptic number.

65642795 is a deficient number, since it is larger than the sum of its proper divisors (13128565).

65642795 is a wasteful number, since it uses less digits than its factorization.

65642795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13128564.

The product of its digits is 453600, while the sum is 44.

The square root of 65642795 is about 8102.0241298086. The cubic root of 65642795 is about 403.3936165767.

The spelling of 65642795 in words is "sixty-five million, six hundred forty-two thousand, seven hundred ninety-five".