65764193 has 4 divisors (see below), whose sum is σ = 71742768. Its totient is φ = 59785620.

The previous prime is 65764189. The next prime is 65764213. The reversal of 65764193 is 39146756.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65764193 - 2² = 65764189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65764193.

It is not an unprimeable number, because it can be changed into a prime (65764163) 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 3 ways as a sum of consecutive naturals, for example, 2989271 + ... + 2989292.

It is an arithmetic number, because the mean of its divisors is an integer number (17935692).

Almost surely, 2^65764193 is an apocalyptic number.

It is an amenable number.

65764193 is a deficient number, since it is larger than the sum of its proper divisors (5978575).

65764193 is a wasteful number, since it uses less digits than its factorization.

65764193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978574.

The product of its digits is 136080, while the sum is 41.

The square root of 65764193 is about 8109.5125007611. The cubic root of 65764193 is about 403.6421384979.

The spelling of 65764193 in words is "sixty-five million, seven hundred sixty-four thousand, one hundred ninety-three".