64020342 has 32 divisors (see below), whose sum is σ = 133459200. Its totient is φ = 20448288.

The previous prime is 64020337. The next prime is 64020373. The reversal of 64020342 is 24302046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22863 + ... + 25509.

It is an arithmetic number, because the mean of its divisors is an integer number (4170600).

Almost surely, 2^64020342 is an apocalyptic number.

64020342 is an abundant number, since it is smaller than the sum of its proper divisors (69438858).

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

64020342 is a wasteful number, since it uses less digits than its factorization.

64020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 64020342 is about 8001.2712739914. The cubic root of 64020342 is about 400.0423746775.

Adding to 64020342 its reverse (24302046), we get a palindrome (88322388).

The spelling of 64020342 in words is "sixty-four million, twenty thousand, three hundred forty-two".