66457027 has 8 divisors (see below), whose sum is σ = 81793376. Its totient is φ = 52581312.

The previous prime is 66456991. The next prime is 66457031. The reversal of 66457027 is 72075466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-66457027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66451027) 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, 365058 + ... + 365239.

It is an arithmetic number, because the mean of its divisors is an integer number (10224172).

Almost surely, 2^66457027 is an apocalyptic number.

66457027 is a deficient number, since it is larger than the sum of its proper divisors (15336349).

66457027 is a wasteful number, since it uses less digits than its factorization.

66457027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730317.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 66457027 is about 8152.1179456630. The cubic root of 66457027 is about 405.0546631496.

The spelling of 66457027 in words is "sixty-six million, four hundred fifty-seven thousand, twenty-seven".