64361630 has 16 divisors (see below), whose sum is σ = 116109504. Its totient is φ = 25687200.

The previous prime is 64361621. The next prime is 64361653. The reversal of 64361630 is 3616346.

It is a junction number, because it is equal to n+sod(n) for n = 64361593 and 64361602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2321 + ... + 11580.

It is an arithmetic number, because the mean of its divisors is an integer number (7256844).

Almost surely, 2^64361630 is an apocalyptic number.

64361630 is a deficient number, since it is larger than the sum of its proper divisors (51747874).

64361630 is a wasteful number, since it uses less digits than its factorization.

64361630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14371.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 64361630 is about 8022.5700370891. The cubic root of 64361630 is about 400.7519812579.

Adding to 64361630 its reverse (3616346), we get a palindrome (67977976).

The spelling of 64361630 in words is "sixty-four million, three hundred sixty-one thousand, six hundred thirty".