64469670 has 16 divisors (see below), whose sum is σ = 154727280. Its totient is φ = 17191904.

The previous prime is 64469659. The next prime is 64469701. The reversal of 64469670 is 7696446.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074465 + ... + 1074524.

It is an arithmetic number, because the mean of its divisors is an integer number (9670455).

Almost surely, 2^64469670 is an apocalyptic number.

64469670 is an abundant number, since it is smaller than the sum of its proper divisors (90257610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64469670 is a wasteful number, since it uses less digits than its factorization.

64469670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148999.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 64469670 is about 8029.3007167499. The cubic root of 64469670 is about 400.9760953240.

The spelling of 64469670 in words is "sixty-four million, four hundred sixty-nine thousand, six hundred seventy".