63625066 has 8 divisors (see below), whose sum is σ = 95676804. Its totient is φ = 31732800.

The previous prime is 63625063. The next prime is 63625097. The reversal of 63625066 is 66052636.

It can be written as a sum of positive squares in 2 ways, for example, as 57229225 + 6395841 = 7565^2 + 2529^2 .

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 (63625063) 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, 38865 + ... + 40468.

Almost surely, 2^63625066 is an apocalyptic number.

63625066 is a deficient number, since it is larger than the sum of its proper divisors (32051738).

63625066 is a wasteful number, since it uses less digits than its factorization.

63625066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79736.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 63625066 is about 7976.5322039092. The cubic root of 63625066 is about 399.2173571743.

The spelling of 63625066 in words is "sixty-three million, six hundred twenty-five thousand, sixty-six".