64427603 has 4 divisors (see below), whose sum is σ = 68217480. Its totient is φ = 60637728.

The previous prime is 64427593. The next prime is 64427609. The reversal of 64427603 is 30672446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64427603 - 2¹² = 64423507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64427603.

It is not an unprimeable number, because it can be changed into a prime (64427609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1894913 + ... + 1894946.

It is an arithmetic number, because the mean of its divisors is an integer number (17054370).

Almost surely, 2^64427603 is an apocalyptic number.

64427603 is a deficient number, since it is larger than the sum of its proper divisors (3789877).

64427603 is a wasteful number, since it uses less digits than its factorization.

64427603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789876.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 64427603 is about 8026.6806962779. The cubic root of 64427603 is about 400.8888629270. Note that the first 4 decimals are identical.

The spelling of 64427603 in words is "sixty-four million, four hundred twenty-seven thousand, six hundred three".