64535442 has 8 divisors (see below), whose sum is σ = 129070896. Its totient is φ = 21511812.

The previous prime is 64535423. The next prime is 64535453. The reversal of 64535442 is 24453546.

It is a sphenic number, since it is the product of 3 distinct primes.

64535442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377948 + ... + 5377959.

It is an arithmetic number, because the mean of its divisors is an integer number (16133862).

Almost surely, 2^64535442 is an apocalyptic number.

64535442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64535442 is a wasteful number, since it uses less digits than its factorization.

64535442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10755912.

The product of its digits is 57600, while the sum is 33.

The square root of 64535442 is about 8033.3954216135. The cubic root of 64535442 is about 401.1124076718.

Adding to 64535442 its reverse (24453546), we get a palindrome (88988988).

It can be divided in two parts, 6453544 and 2, that added together give a palindrome (6453546).

The spelling of 64535442 in words is "sixty-four million, five hundred thirty-five thousand, four hundred forty-two".