64002068 has 24 divisors (see below), whose sum is σ = 121000992. Its totient is φ = 29445984.

The previous prime is 64002067. The next prime is 64002083. The reversal of 64002068 is 86020046.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64002061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16271 + ... + 19817.

It is an arithmetic number, because the mean of its divisors is an integer number (5041708).

Almost surely, 2^64002068 is an apocalyptic number.

It is an amenable number.

64002068 is a deficient number, since it is larger than the sum of its proper divisors (56998924).

64002068 is a wasteful number, since it uses less digits than its factorization.

64002068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911 (or 3909 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 64002068 is about 8000.1292489559. The cubic root of 64002068 is about 400.0043082869.

The spelling of 64002068 in words is "sixty-four million, two thousand, sixty-eight".