64017427 has 8 divisors (see below), whose sum is σ = 68040000. Its totient is φ = 60023424.

The previous prime is 64017407. The next prime is 64017467. The reversal of 64017427 is 72471046.

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 64017427 - 2¹⁵ = 63984659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64017407) 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, 2427 + ... + 11572.

It is an arithmetic number, because the mean of its divisors is an integer number (8505000).

Almost surely, 2^64017427 is an apocalyptic number.

64017427 is a deficient number, since it is larger than the sum of its proper divisors (4022573).

64017427 is a wasteful number, since it uses less digits than its factorization.

64017427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14285.

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

The square root of 64017427 is about 8001.0891133645. The cubic root of 64017427 is about 400.0363029551.

The spelling of 64017427 in words is "sixty-four million, seventeen thousand, four hundred twenty-seven".