64028004 has 12 divisors (see below), whose sum is σ = 149398704. Its totient is φ = 21342664.

The previous prime is 64027963. The next prime is 64028023. The reversal of 64028004 is 40082046.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2667822 + ... + 2667845.

It is an arithmetic number, because the mean of its divisors is an integer number (12449892).

Almost surely, 2^64028004 is an apocalyptic number.

It is an amenable number.

64028004 is an abundant number, since it is smaller than the sum of its proper divisors (85370700).

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

64028004 is a wasteful number, since it uses less digits than its factorization.

64028004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335674 (or 5335672 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 64028004 is about 8001.7500585809. The cubic root of 64028004 is about 400.0583331594.

The spelling of 64028004 in words is "sixty-four million, twenty-eight thousand, four".