64005346 has 8 divisors (see below), whose sum is σ = 98349804. Its totient is φ = 31222080.

The previous prime is 64005341. The next prime is 64005377. The reversal of 64005346 is 64350046.

It can be written as a sum of positive squares in 2 ways, for example, as 46036225 + 17969121 = 6785^2 + 4239^2 .

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

It is not an unprimeable number, because it can be changed into a prime (64005341) 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, 390195 + ... + 390358.

Almost surely, 2^64005346 is an apocalyptic number.

64005346 is a deficient number, since it is larger than the sum of its proper divisors (34344458).

64005346 is a wasteful number, since it uses less digits than its factorization.

64005346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780596.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 64005346 is about 8000.3341180228. The cubic root of 64005346 is about 400.0111371899.

The spelling of 64005346 in words is "sixty-four million, five thousand, three hundred forty-six".