66936301 has 4 divisors (see below), whose sum is σ = 67586272. Its totient is φ = 66286332.

The previous prime is 66936299. The next prime is 66936329. The reversal of 66936301 is 10363966.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10363966 = 2 ⋅5181983.

It is a cyclic number.

It is not a de Polignac number, because 66936301 - 2¹ = 66936299 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 (66936101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324831 + ... + 325036.

It is an arithmetic number, because the mean of its divisors is an integer number (16896568).

Almost surely, 2^66936301 is an apocalyptic number.

It is an amenable number.

66936301 is a deficient number, since it is larger than the sum of its proper divisors (649971).

66936301 is a wasteful number, since it uses less digits than its factorization.

66936301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649970.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 66936301 is about 8181.4608108821. The cubic root of 66936301 is about 406.0260545293.

The spelling of 66936301 in words is "sixty-six million, nine hundred thirty-six thousand, three hundred one".