36666547 has 2 divisors, whose sum is σ = 36666548. Its totient is φ = 36666546.

The previous prime is 36666541. The next prime is 36666607. The reversal of 36666547 is 74566663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36666547 - 2²³ = 28277939 is a prime.

It is not a weakly prime, because it can be changed into another prime (36666541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18333273 + 18333274.

It is an arithmetic number, because the mean of its divisors is an integer number (18333274).

Almost surely, 2^36666547 is an apocalyptic number.

36666547 is a deficient number, since it is larger than the sum of its proper divisors (1).

36666547 is an equidigital number, since it uses as much as digits as its factorization.

36666547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 43.

The square root of 36666547 is about 6055.2908270371. The cubic root of 36666547 is about 332.2181363903.

The spelling of 36666547 in words is "thirty-six million, six hundred sixty-six thousand, five hundred forty-seven".