64420341 has 4 divisors (see below), whose sum is σ = 85893792. Its totient is φ = 42946892.

The previous prime is 64420273. The next prime is 64420351. The reversal of 64420341 is 14302446.

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 64420341 - 2¹⁰ = 64419317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64420351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10736721 + ... + 10736726.

It is an arithmetic number, because the mean of its divisors is an integer number (21473448).

Almost surely, 2^64420341 is an apocalyptic number.

It is an amenable number.

64420341 is a deficient number, since it is larger than the sum of its proper divisors (21473451).

64420341 is a wasteful number, since it uses less digits than its factorization.

64420341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21473450.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 64420341 is about 8026.2283172110. The cubic root of 64420341 is about 400.8738002097.

Adding to 64420341 its reverse (14302446), we get a palindrome (78722787).

The spelling of 64420341 in words is "sixty-four million, four hundred twenty thousand, three hundred forty-one".