64571046 has 8 divisors (see below), whose sum is σ = 129142104. Its totient is φ = 21523680.

The previous prime is 64571041. The next prime is 64571053. The reversal of 64571046 is 64017546.

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

64571046 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 64570998 and 64571016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64571041) 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, 5380915 + ... + 5380926.

It is an arithmetic number, because the mean of its divisors is an integer number (16142763).

Almost surely, 2^64571046 is an apocalyptic number.

64571046 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.

64571046 is a wasteful number, since it uses less digits than its factorization.

64571046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10761846.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 64571046 is about 8035.6111155282. The cubic root of 64571046 is about 401.1861582613.

It can be divided in two parts, 6457 and 1046, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 64571046 in words is "sixty-four million, five hundred seventy-one thousand, forty-six".