65780341 has 4 divisors (see below), whose sum is σ = 71760384. Its totient is φ = 59800300.

The previous prime is 65780333. The next prime is 65780347. The reversal of 65780341 is 14308756.

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 65780341 - 2³ = 65780333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65780297 and 65780306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65780347) 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, 2990005 + ... + 2990026.

It is an arithmetic number, because the mean of its divisors is an integer number (17940096).

Almost surely, 2^65780341 is an apocalyptic number.

It is an amenable number.

65780341 is a deficient number, since it is larger than the sum of its proper divisors (5980043).

65780341 is a wasteful number, since it uses less digits than its factorization.

65780341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980042.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 65780341 is about 8110.5080605348. The cubic root of 65780341 is about 403.6751730898.

The spelling of 65780341 in words is "sixty-five million, seven hundred eighty thousand, three hundred forty-one".