66726027 has 6 divisors (see below), whose sum is σ = 96382052. Its totient is φ = 44484012.

The previous prime is 66726017. The next prime is 66726047. The reversal of 66726027 is 72062766.

It is not a de Polignac number, because 66726027 - 2⁶ = 66725963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66725982 and 66726000.

It is not an unprimeable number, because it can be changed into a prime (66726017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3706993 + ... + 3707010.

Almost surely, 2^66726027 is an apocalyptic number.

66726027 is a deficient number, since it is larger than the sum of its proper divisors (29656025).

66726027 is a wasteful number, since it uses less digits than its factorization.

66726027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414009 (or 7414006 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 66726027 is about 8168.6000636584. The cubic root of 66726027 is about 405.6004445159.

The spelling of 66726027 in words is "sixty-six million, seven hundred twenty-six thousand, twenty-seven".