66714499 has 2 divisors, whose sum is σ = 66714500. Its totient is φ = 66714498.

The previous prime is 66714493. The next prime is 66714517. The reversal of 66714499 is 99441766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66714499 - 2⁹ = 66713987 is a prime.

It is not a weakly prime, because it can be changed into another prime (66714493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33357249 + 33357250.

It is an arithmetic number, because the mean of its divisors is an integer number (33357250).

Almost surely, 2^66714499 is an apocalyptic number.

66714499 is a deficient number, since it is larger than the sum of its proper divisors (1).

66714499 is an equidigital number, since it uses as much as digits as its factorization.

66714499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 66714499 is about 8167.8944043125. The cubic root of 66714499 is about 405.5770851591.

The spelling of 66714499 in words is "sixty-six million, seven hundred fourteen thousand, four hundred ninety-nine".