64235742 has 8 divisors (see below), whose sum is σ = 128471496. Its totient is φ = 21411912.

The previous prime is 64235729. The next prime is 64235747. The reversal of 64235742 is 24753246.

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

64235742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64235747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5352973 + ... + 5352984.

It is an arithmetic number, because the mean of its divisors is an integer number (16058937).

Almost surely, 2^64235742 is an apocalyptic number.

64235742 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.

64235742 is a wasteful number, since it uses less digits than its factorization.

64235742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705962.

The product of its digits is 40320, while the sum is 33.

The square root of 64235742 is about 8014.7203319891. The cubic root of 64235742 is about 400.4905273780.

Adding to 64235742 its reverse (24753246), we get a palindrome (88988988).

The spelling of 64235742 in words is "sixty-four million, two hundred thirty-five thousand, seven hundred forty-two".