67064243 has 8 divisors (see below), whose sum is σ = 70669200. Its totient is φ = 63466848.

The previous prime is 67064237. The next prime is 67064267. The reversal of 67064243 is 34246076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67064243 - 2¹⁴ = 67047859 is a prime.

It is a super-2 number, since 2×67064243² = 8995225378326098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67064213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33005 + ... + 34977.

It is an arithmetic number, because the mean of its divisors is an integer number (8833650).

Almost surely, 2^67064243 is an apocalyptic number.

67064243 is a deficient number, since it is larger than the sum of its proper divisors (3604957).

67064243 is a wasteful number, since it uses less digits than its factorization.

67064243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 67064243 is about 8189.2760974338. The cubic root of 67064243 is about 406.2845825235.

The spelling of 67064243 in words is "sixty-seven million, sixty-four thousand, two hundred forty-three".