64004003 has 8 divisors (see below), whose sum is σ = 73872480. Its totient is φ = 54316800.

The previous prime is 64003987. The next prime is 64004021. The reversal of 64004003 is 30040046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64004003 - 2⁴ = 64003987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64004023) 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, 44558 + ... + 45971.

It is an arithmetic number, because the mean of its divisors is an integer number (9234060).

Almost surely, 2^64004003 is an apocalyptic number.

64004003 is a deficient number, since it is larger than the sum of its proper divisors (9868477).

64004003 is a wasteful number, since it uses less digits than its factorization.

64004003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90637.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 64004003 is about 8000.2501835880. The cubic root of 64004003 is about 400.0083394095.

Adding to 64004003 its reverse (30040046), we get a palindrome (94044049).

The spelling of 64004003 in words is "sixty-four million, four thousand, three".