64412187 has 16 divisors (see below), whose sum is σ = 98423040. Its totient is φ = 36705312.

The previous prime is 64412177. The next prime is 64412197. The reversal of 64412187 is 78121446.

It is an interprime number because it is at equal distance from previous prime (64412177) and next prime (64412197).

It is not a de Polignac number, because 64412187 - 2¹⁰ = 64411163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64412177) 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, 3913 + ... + 12005.

It is an arithmetic number, because the mean of its divisors is an integer number (6151440).

Almost surely, 2^64412187 is an apocalyptic number.

64412187 is a deficient number, since it is larger than the sum of its proper divisors (34010853).

64412187 is a wasteful number, since it uses less digits than its factorization.

64412187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482.

The product of its digits is 10752, while the sum is 33.

The square root of 64412187 is about 8025.7203415021. The cubic root of 64412187 is about 400.8568859720.

The spelling of 64412187 in words is "sixty-four million, four hundred twelve thousand, one hundred eighty-seven".