64346745 has 8 divisors (see below), whose sum is σ = 102954816. Its totient is φ = 34318256.

The previous prime is 64346707. The next prime is 64346747. The reversal of 64346745 is 54764346.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64346745 - 2⁸ = 64346489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64346747) 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 7 ways as a sum of consecutive naturals, for example, 2144877 + ... + 2144906.

It is an arithmetic number, because the mean of its divisors is an integer number (12869352).

Almost surely, 2^64346745 is an apocalyptic number.

It is an amenable number.

64346745 is a deficient number, since it is larger than the sum of its proper divisors (38608071).

64346745 is a wasteful number, since it uses less digits than its factorization.

64346745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289791.

The product of its digits is 241920, while the sum is 39.

The square root of 64346745 is about 8021.6422882101. The cubic root of 64346745 is about 400.7210847276.

The spelling of 64346745 in words is "sixty-four million, three hundred forty-six thousand, seven hundred forty-five".