66478301 has 8 divisors (see below), whose sum is σ = 68702304. Its totient is φ = 64285200.

The previous prime is 66478297. The next prime is 66478333. The reversal of 66478301 is 10387466.

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 66478301 - 2² = 66478297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66478201) 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, 3311 + ... + 11996.

It is an arithmetic number, because the mean of its divisors is an integer number (8587788).

Almost surely, 2^66478301 is an apocalyptic number.

It is an amenable number.

66478301 is a deficient number, since it is larger than the sum of its proper divisors (2224003).

66478301 is a wasteful number, since it uses less digits than its factorization.

66478301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15451.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 66478301 is about 8153.4226555478. The cubic root of 66478301 is about 405.0978801173.

The spelling of 66478301 in words is "sixty-six million, four hundred seventy-eight thousand, three hundred one".