64336542 has 16 divisors (see below), whose sum is σ = 128777472. Its totient is φ = 21428120.

The previous prime is 64336513. The next prime is 64336553. The reversal of 64336542 is 24563346.

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, 5317 + ... + 12527.

It is an arithmetic number, because the mean of its divisors is an integer number (8048592).

Almost surely, 2^64336542 is an apocalyptic number.

64336542 is an abundant number, since it is smaller than the sum of its proper divisors (64440930).

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

64336542 is a wasteful number, since it uses less digits than its factorization.

64336542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703.

The product of its digits is 51840, while the sum is 33.

The square root of 64336542 is about 8021.0062959706. The cubic root of 64336542 is about 400.6999037891.

Adding to 64336542 its reverse (24563346), we get a palindrome (88899888).

The spelling of 64336542 in words is "sixty-four million, three hundred thirty-six thousand, five hundred forty-two".