64625006 has 4 divisors (see below), whose sum is σ = 96937512. Its totient is φ = 32312502.

The previous prime is 64625003. The next prime is 64625027. The reversal of 64625006 is 60052646.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60052646 = 2 ⋅30026323.

It is a self number, because there is not a number n which added to its sum of digits gives 64625006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64625003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16156250 + ... + 16156253.

It is an arithmetic number, because the mean of its divisors is an integer number (24234378).

Almost surely, 2^64625006 is an apocalyptic number.

64625006 is a deficient number, since it is larger than the sum of its proper divisors (32312506).

64625006 is a wasteful number, since it uses less digits than its factorization.

64625006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32312505.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 64625006 is about 8038.9679685890. The cubic root of 64625006 is about 401.2978800471.

Adding to 64625006 its product of nonzero digits (8640), we get a palindrome (64633646).

It can be divided in two parts, 646 and 25006, that added together give a palindrome (25652).

The spelling of 64625006 in words is "sixty-four million, six hundred twenty-five thousand, six".