66014297 has 4 divisors (see below), whose sum is σ = 66489360. Its totient is φ = 65539236.

The previous prime is 66014279. The next prime is 66014317. The reversal of 66014297 is 79241066.

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: 79241066 = 2 ⋅39620533.

It is a cyclic number.

It is not a de Polignac number, because 66014297 - 2⁶ = 66014233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66014257) 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, 237323 + ... + 237600.

It is an arithmetic number, because the mean of its divisors is an integer number (16622340).

Almost surely, 2^66014297 is an apocalyptic number.

It is an amenable number.

66014297 is a deficient number, since it is larger than the sum of its proper divisors (475063).

66014297 is a wasteful number, since it uses less digits than its factorization.

66014297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475062.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 66014297 is about 8124.9182765121. The cubic root of 66014297 is about 404.1531805658.

The spelling of 66014297 in words is "sixty-six million, fourteen thousand, two hundred ninety-seven".