64873119 has 4 divisors (see below), whose sum is σ = 86497496. Its totient is φ = 43248744.

The previous prime is 64873117. The next prime is 64873121. The reversal of 64873119 is 91137846.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (64873117) and next prime (64873121).

It is not a de Polignac number, because 64873119 - 2¹ = 64873117 is a prime.

It is a super-2 number, since 2×64873119² = 8417043137576322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64873117) 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, 10812184 + ... + 10812189.

It is an arithmetic number, because the mean of its divisors is an integer number (21624374).

Almost surely, 2^64873119 is an apocalyptic number.

64873119 is a deficient number, since it is larger than the sum of its proper divisors (21624377).

64873119 is a wasteful number, since it uses less digits than its factorization.

64873119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21624376.

The product of its digits is 36288, while the sum is 39.

The square root of 64873119 is about 8054.3850789492. The cubic root of 64873119 is about 401.8107881625.

The spelling of 64873119 in words is "sixty-four million, eight hundred seventy-three thousand, one hundred nineteen".