664742301 has 8 divisors (see below), whose sum is σ = 886501344. Its totient is φ = 443072400.

The previous prime is 664742249. The next prime is 664742359. The reversal of 664742301 is 103247466.

It is a happy number.

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

It is not a de Polignac number, because 664742301 - 2²⁷ = 530524573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664742401) 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, 2331 + ... + 36536.

It is an arithmetic number, because the mean of its divisors is an integer number (110812668).

Almost surely, 2^664742301 is an apocalyptic number.

It is an amenable number.

664742301 is a deficient number, since it is larger than the sum of its proper divisors (221759043).

664742301 is a wasteful number, since it uses less digits than its factorization.

664742301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44571.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 664742301 is about 25782.5968630004. The cubic root of 664742301 is about 872.7391105530.

Adding to 664742301 its reverse (103247466), we get a palindrome (767989767).

The spelling of 664742301 in words is "six hundred sixty-four million, seven hundred forty-two thousand, three hundred one".