66041473 has 8 divisors (see below), whose sum is σ = 70696800. Its totient is φ = 61504128.

The previous prime is 66041461. The next prime is 66041489. The reversal of 66041473 is 37414066.

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 66041473 - 2¹³ = 66033281 is a prime.

It is a super-2 number, since 2×66041473² = 8722952312019458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66041453) 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, 28336 + ... + 30577.

It is an arithmetic number, because the mean of its divisors is an integer number (8837100).

Almost surely, 2^66041473 is an apocalyptic number.

It is an amenable number.

66041473 is a deficient number, since it is larger than the sum of its proper divisors (4655327).

66041473 is a wasteful number, since it uses less digits than its factorization.

66041473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58991.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 66041473 is about 8126.5904904825. The cubic root of 66041473 is about 404.2086319883.

The spelling of 66041473 in words is "sixty-six million, forty-one thousand, four hundred seventy-three".