67064783 has 2 divisors, whose sum is σ = 67064784. Its totient is φ = 67064782.

The previous prime is 67064773. The next prime is 67064801. The reversal of 67064783 is 38746076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67064783 - 2²⁰ = 66016207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67064783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67064743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33532391 + 33532392.

It is an arithmetic number, because the mean of its divisors is an integer number (33532392).

Almost surely, 2^67064783 is an apocalyptic number.

67064783 is a deficient number, since it is larger than the sum of its proper divisors (1).

67064783 is an equidigital number, since it uses as much as digits as its factorization.

67064783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 67064783 is about 8189.3090673145. The cubic root of 67064783 is about 406.2856729858.

The spelling of 67064783 in words is "sixty-seven million, sixty-four thousand, seven hundred eighty-three".