64242673 has 8 divisors (see below), whose sum is σ = 70531200. Its totient is φ = 58028880.

The previous prime is 64242653. The next prime is 64242679. The reversal of 64242673 is 37624246.

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 64242673 - 2²⁵ = 30688241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64242679) 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, 16873 + ... + 20326.

It is an arithmetic number, because the mean of its divisors is an integer number (8816400).

Almost surely, 2^64242673 is an apocalyptic number.

It is an amenable number.

64242673 is a deficient number, since it is larger than the sum of its proper divisors (6288527).

64242673 is a wasteful number, since it uses less digits than its factorization.

64242673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37367.

The product of its digits is 48384, while the sum is 34.

The square root of 64242673 is about 8015.1527122070. The cubic root of 64242673 is about 400.5049310933.

The spelling of 64242673 in words is "sixty-four million, two hundred forty-two thousand, six hundred seventy-three".