64668003 has 8 divisors (see below), whose sum is σ = 87851088. Its totient is φ = 42298464.

The previous prime is 64667989. The next prime is 64668011. The reversal of 64668003 is 30086646.

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

It is not a de Polignac number, because 64668003 - 2¹⁴ = 64651619 is a prime.

It is a super-2 number, since 2×64668003² = 8363901224016018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64668053) 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, 203200 + ... + 203517.

It is an arithmetic number, because the mean of its divisors is an integer number (10981386).

Almost surely, 2^64668003 is an apocalyptic number.

64668003 is a deficient number, since it is larger than the sum of its proper divisors (23183085).

64668003 is a wasteful number, since it uses less digits than its factorization.

64668003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406773.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 64668003 is about 8041.6418099789. The cubic root of 64668003 is about 401.3868589153.

The spelling of 64668003 in words is "sixty-four million, six hundred sixty-eight thousand, three".