64523067 has 16 divisors (see below), whose sum is σ = 98568960. Its totient is φ = 36777312.

The previous prime is 64523051. The next prime is 64523071. The reversal of 64523067 is 76032546.

It is not a de Polignac number, because 64523067 - 2⁴ = 64523051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64523087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5133 + ... + 12465.

It is an arithmetic number, because the mean of its divisors is an integer number (6160560).

Almost surely, 2^64523067 is an apocalyptic number.

64523067 is a deficient number, since it is larger than the sum of its proper divisors (34045893).

64523067 is a wasteful number, since it uses less digits than its factorization.

64523067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 64523067 is about 8032.6251624236. The cubic root of 64523067 is about 401.0867675832.

The spelling of 64523067 in words is "sixty-four million, five hundred twenty-three thousand, sixty-seven".