64536030 has 72 divisors (see below), whose sum is σ = 181736568. Its totient is φ = 15882048.

The previous prime is 64536013. The next prime is 64536047. The reversal of 64536030 is 3063546.

64536030 is a `hidden beast` number, since 6 + 4 + 53 + 603 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (64536013) and next prime (64536047).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64535985 and 64536003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13089 + ... + 17331.

It is an arithmetic number, because the mean of its divisors is an integer number (2524119).

Almost surely, 2^64536030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64536030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90868284).

64536030 is an abundant number, since it is smaller than the sum of its proper divisors (117200538).

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

64536030 is a wasteful number, since it uses less digits than its factorization.

64536030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282 (or 4266 counting only the distinct ones).

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

The square root of 64536030 is about 8033.4320187576. The cubic root of 64536030 is about 401.1136258829.

Adding to 64536030 its reverse (3063546), we get a palindrome (67599576).

The spelling of 64536030 in words is "sixty-four million, five hundred thirty-six thousand, thirty".