64020046 has 8 divisors (see below), whose sum is σ = 96228720. Its totient is φ = 31943808.

The previous prime is 64020031. The next prime is 64020067. The reversal of 64020046 is 64002046.

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

It is a junction number, because it is equal to n+sod(n) for n = 64019999 and 64020026.

It is a congruent 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, 31891 + ... + 33838.

It is an arithmetic number, because the mean of its divisors is an integer number (12028590).

Almost surely, 2^64020046 is an apocalyptic number.

64020046 is a deficient number, since it is larger than the sum of its proper divisors (32208674).

64020046 is a wasteful number, since it uses less digits than its factorization.

64020046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66218.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 64020046 is about 8001.2527769094. The cubic root of 64020046 is about 400.0417581405.

The spelling of 64020046 in words is "sixty-four million, twenty thousand, forty-six".