64260067 has 4 divisors (see below), whose sum is σ = 64432720. Its totient is φ = 64087416.

The previous prime is 64260037. The next prime is 64260073. The reversal of 64260067 is 76006246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76006246 = 2 ⋅38003123.

It is a cyclic number.

It is not a de Polignac number, because 64260067 - 2¹⁵ = 64227299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64260037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85767 + ... + 86512.

It is an arithmetic number, because the mean of its divisors is an integer number (16108180).

Almost surely, 2^64260067 is an apocalyptic number.

64260067 is a deficient number, since it is larger than the sum of its proper divisors (172653).

64260067 is a wasteful number, since it uses less digits than its factorization.

64260067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172652.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 64260067 is about 8016.2377085513. The cubic root of 64260067 is about 400.5410740173.

The spelling of 64260067 in words is "sixty-four million, two hundred sixty thousand, sixty-seven".