64506706 has 16 divisors (see below), whose sum is σ = 107347680. Its totient is φ = 28823680.

The previous prime is 64506679. The next prime is 64506713. The reversal of 64506706 is 60760546.

64506706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64506706² = 8322230237940872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23551 + ... + 26146.

It is an arithmetic number, because the mean of its divisors is an integer number (6709230).

Almost surely, 2^64506706 is an apocalyptic number.

64506706 is a deficient number, since it is larger than the sum of its proper divisors (42840974).

64506706 is a wasteful number, since it uses less digits than its factorization.

64506706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49769.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 64506706 is about 8031.6066885773. The cubic root of 64506706 is about 401.0528637632.

The spelling of 64506706 in words is "sixty-four million, five hundred six thousand, seven hundred six".