64350667 has 2 divisors, whose sum is σ = 64350668. Its totient is φ = 64350666.

The previous prime is 64350653. The next prime is 64350677. The reversal of 64350667 is 76605346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64350667 - 2¹⁵ = 64317899 is a prime.

It is not a weakly prime, because it can be changed into another prime (64350617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32175333 + 32175334.

It is an arithmetic number, because the mean of its divisors is an integer number (32175334).

Almost surely, 2^64350667 is an apocalyptic number.

64350667 is a deficient number, since it is larger than the sum of its proper divisors (1).

64350667 is an equidigital number, since it uses as much as digits as its factorization.

64350667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 64350667 is about 8021.8867481410. The cubic root of 64350667 is about 400.7292260157.

The spelling of 64350667 in words is "sixty-four million, three hundred fifty thousand, six hundred sixty-seven".