65760445 has 4 divisors (see below), whose sum is σ = 78912540. Its totient is φ = 52608352.

The previous prime is 65760421. The next prime is 65760449. The reversal of 65760445 is 54406756.

It is a happy number.

65760445 is nontrivially palindromic in base 6.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8561476 + 57198969 = 2926^2 + 7563^2 .

It is a cyclic number.

It is not a de Polignac number, because 65760445 - 2¹⁵ = 65727677 is a prime.

It is a super-2 number, since 2×65760445² = 8648872253196050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65760449) 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, 6576040 + ... + 6576049.

It is an arithmetic number, because the mean of its divisors is an integer number (19728135).

Almost surely, 2^65760445 is an apocalyptic number.

It is an amenable number.

65760445 is a deficient number, since it is larger than the sum of its proper divisors (13152095).

65760445 is a wasteful number, since it uses less digits than its factorization.

65760445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13152094.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 65760445 is about 8109.2814108280. The cubic root of 65760445 is about 403.6344702953.

The spelling of 65760445 in words is "sixty-five million, seven hundred sixty thousand, four hundred forty-five".