64194317 has 8 divisors (see below), whose sum is σ = 70478112. Its totient is φ = 57985200.

The previous prime is 64194307. The next prime is 64194349. The reversal of 64194317 is 71349146.

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

It is a cyclic number.

It is not a de Polignac number, because 64194317 - 2⁶ = 64194253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64194307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16859 + ... + 20312.

It is an arithmetic number, because the mean of its divisors is an integer number (8809764).

Almost surely, 2^64194317 is an apocalyptic number.

It is an amenable number.

64194317 is a deficient number, since it is larger than the sum of its proper divisors (6283795).

64194317 is a wasteful number, since it uses less digits than its factorization.

64194317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37339.

The product of its digits is 18144, while the sum is 35.

The square root of 64194317 is about 8012.1356079387. The cubic root of 64194317 is about 400.4044180606.

The spelling of 64194317 in words is "sixty-four million, one hundred ninety-four thousand, three hundred seventeen".