64345506 has 8 divisors (see below), whose sum is σ = 128691024. Its totient is φ = 21448500.

The previous prime is 64345499. The next prime is 64345517. The reversal of 64345506 is 60554346.

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

64345506 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5362120 + ... + 5362131.

It is an arithmetic number, because the mean of its divisors is an integer number (16086378).

Almost surely, 2^64345506 is an apocalyptic number.

64345506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64345506 is a wasteful number, since it uses less digits than its factorization.

64345506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10724256.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 64345506 is about 8021.5650592637. The cubic root of 64345506 is about 400.7185127425.

The spelling of 64345506 in words is "sixty-four million, three hundred forty-five thousand, five hundred six".