66230437 has 8 divisors (see below), whose sum is σ = 81514496. Its totient is φ = 52402032.

The previous prime is 66230413. The next prime is 66230441. The reversal of 66230437 is 73403266.

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 66230437 - 2⁷ = 66230309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66230399 and 66230408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66230497) 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, 363813 + ... + 363994.

It is an arithmetic number, because the mean of its divisors is an integer number (10189312).

Almost surely, 2^66230437 is an apocalyptic number.

It is an amenable number.

66230437 is a deficient number, since it is larger than the sum of its proper divisors (15284059).

66230437 is a wasteful number, since it uses less digits than its factorization.

66230437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727827.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 66230437 is about 8138.2084637837. The cubic root of 66230437 is about 404.5937846441.

The spelling of 66230437 in words is "sixty-six million, two hundred thirty thousand, four hundred thirty-seven".