64241630 has 32 divisors (see below), whose sum is σ = 117784800. Its totient is φ = 25224192.

The previous prime is 64241609. The next prime is 64241633. The reversal of 64241630 is 3614246.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64241630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64241633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156866 + ... + 157274.

It is an arithmetic number, because the mean of its divisors is an integer number (3680775).

Almost surely, 2^64241630 is an apocalyptic number.

64241630 is a deficient number, since it is larger than the sum of its proper divisors (53543170).

64241630 is a wasteful number, since it uses less digits than its factorization.

64241630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 64241630 is about 8015.0876476805. The cubic root of 64241630 is about 400.5027636404.

Adding to 64241630 its reverse (3614246), we get a palindrome (67855876).

The spelling of 64241630 in words is "sixty-four million, two hundred forty-one thousand, six hundred thirty".