64028205 has 64 divisors (see below), whose sum is σ = 125867520. Its totient is φ = 30716928.

The previous prime is 64028203. The next prime is 64028213. The reversal of 64028205 is 50282046.

It is not a de Polignac number, because 64028205 - 2¹ = 64028203 is a prime.

It is a super-2 number, since 2×64028205² = 8199222071044050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64028203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52179 + ... + 53391.

It is an arithmetic number, because the mean of its divisors is an integer number (1966680).

Almost surely, 2^64028205 is an apocalyptic number.

It is an amenable number.

64028205 is a deficient number, since it is larger than the sum of its proper divisors (61839315).

64028205 is a wasteful number, since it uses less digits than its factorization.

64028205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 64028205 is about 8001.7626183235. The cubic root of 64028205 is about 400.0587517868.

The spelling of 64028205 in words is "sixty-four million, twenty-eight thousand, two hundred five".