64074217 has 8 divisors (see below), whose sum is σ = 66021320. Its totient is φ = 62156160.

The previous prime is 64074211. The next prime is 64074221. The reversal of 64074217 is 71247046.

It can be written as a sum of positive squares in 4 ways, for example, as 10201 + 64064016 = 101^2 + 8004^2 .

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 64074217 - 2¹⁹ = 63549929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64074211) 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, 2742 + ... + 11647.

It is an arithmetic number, because the mean of its divisors is an integer number (8252665).

Almost surely, 2^64074217 is an apocalyptic number.

It is an amenable number.

64074217 is a deficient number, since it is larger than the sum of its proper divisors (1947103).

64074217 is a wasteful number, since it uses less digits than its factorization.

64074217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14523.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 64074217 is about 8004.6372185128. The cubic root of 64074217 is about 400.1545590211.

The spelling of 64074217 in words is "sixty-four million, seventy-four thousand, two hundred seventeen".