64312442 has 8 divisors (see below), whose sum is σ = 96836256. Its totient is φ = 32033692.

The previous prime is 64312441. The next prime is 64312453. The reversal of 64312442 is 24421346.

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

It is not an unprimeable number, because it can be changed into a prime (64312441) 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, 60608 + ... + 61659.

It is an arithmetic number, because the mean of its divisors is an integer number (12104532).

Almost surely, 2^64312442 is an apocalyptic number.

64312442 is a deficient number, since it is larger than the sum of its proper divisors (32523814).

64312442 is a wasteful number, since it uses less digits than its factorization.

64312442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122532.

The product of its digits is 4608, while the sum is 26.

The square root of 64312442 is about 8019.5038499897. The cubic root of 64312442 is about 400.6498644520.

Adding to 64312442 its reverse (24421346), we get a palindrome (88733788).

The spelling of 64312442 in words is "sixty-four million, three hundred twelve thousand, four hundred forty-two".