64028700 has 54 divisors (see below), whose sum is σ = 200697224. Its totient is φ = 17074080.

The previous prime is 64028687. The next prime is 64028719. The reversal of 64028700 is 782046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34672 + ... + 36471.

Almost surely, 2^64028700 is an apocalyptic number.

64028700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64028700 is an abundant number, since it is smaller than the sum of its proper divisors (136668524).

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

64028700 is a wasteful number, since it uses less digits than its factorization.

64028700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71163 (or 71153 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 64028700 is about 8001.7935489489. The cubic root of 64028700 is about 400.0597827313.

The spelling of 64028700 in words is "sixty-four million, twenty-eight thousand, seven hundred".