64641030 has 32 divisors (see below), whose sum is σ = 155361024. Its totient is φ = 17212896.

The previous prime is 64641023. The next prime is 64641043. The reversal of 64641030 is 3014646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30877 + ... + 32903.

It is an arithmetic number, because the mean of its divisors is an integer number (4855032).

Almost surely, 2^64641030 is an apocalyptic number.

64641030 is an abundant number, since it is smaller than the sum of its proper divisors (90719994).

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

64641030 is a wasteful number, since it uses less digits than its factorization.

64641030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 64641030 is about 8039.9645521607. The cubic root of 64641030 is about 401.3310450515.

Adding to 64641030 its reverse (3014646), we get a palindrome (67655676).

The spelling of 64641030 in words is "sixty-four million, six hundred forty-one thousand, thirty".