64042530 has 16 divisors (see below), whose sum is σ = 153702144. Its totient is φ = 17078000.

The previous prime is 64042513. The next prime is 64042543. The reversal of 64042530 is 3524046.

It is a self number, because there is not a number n which added to its sum of digits gives 64042530.

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, 1067346 + ... + 1067405.

It is an arithmetic number, because the mean of its divisors is an integer number (9606384).

Almost surely, 2^64042530 is an apocalyptic number.

64042530 is an abundant number, since it is smaller than the sum of its proper divisors (89659614).

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

64042530 is a wasteful number, since it uses less digits than its factorization.

64042530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134761.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 64042530 is about 8002.6576835449. The cubic root of 64042530 is about 400.0885845472.

Adding to 64042530 its reverse (3524046), we get a palindrome (67566576).

The spelling of 64042530 in words is "sixty-four million, forty-two thousand, five hundred thirty".