64563030 has 48 divisors (see below), whose sum is σ = 191846304. Its totient is φ = 14757120.

The previous prime is 64563017. The next prime is 64563061. The reversal of 64563030 is 3036546.

It is a junction number, because it is equal to n+sod(n) for n = 64562985 and 64563003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50611 + ... + 51870.

It is an arithmetic number, because the mean of its divisors is an integer number (3996798).

Almost surely, 2^64563030 is an apocalyptic number.

64563030 is an abundant number, since it is smaller than the sum of its proper divisors (127283274).

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

64563030 is a wasteful number, since it uses less digits than its factorization.

64563030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102501 (or 102498 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 64563030 is about 8035.1123203102. The cubic root of 64563030 is about 401.1695561796.

Adding to 64563030 its reverse (3036546), we get a palindrome (67599576).

The spelling of 64563030 in words is "sixty-four million, five hundred sixty-three thousand, thirty".