66452627 has 2 divisors, whose sum is σ = 66452628. Its totient is φ = 66452626.

The previous prime is 66452621. The next prime is 66452669. The reversal of 66452627 is 72625466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66452627 - 2⁶ = 66452563 is a prime.

It is a super-2 number, since 2×66452627² = 8831903270402258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66452621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33226313 + 33226314.

It is an arithmetic number, because the mean of its divisors is an integer number (33226314).

Almost surely, 2^66452627 is an apocalyptic number.

66452627 is a deficient number, since it is larger than the sum of its proper divisors (1).

66452627 is an equidigital number, since it uses as much as digits as its factorization.

66452627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 66452627 is about 8151.8480726765. The cubic root of 66452627 is about 405.0457236392.

The spelling of 66452627 in words is "sixty-six million, four hundred fifty-two thousand, six hundred twenty-seven".