64853728 has 12 divisors (see below), whose sum is σ = 127680840. Its totient is φ = 32426848.

The previous prime is 64853713. The next prime is 64853729. The reversal of 64853728 is 82735846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64853729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013308 + ... + 1013371.

It is an arithmetic number, because the mean of its divisors is an integer number (10640070).

Almost surely, 2^64853728 is an apocalyptic number.

It is an amenable number.

64853728 is a deficient number, since it is larger than the sum of its proper divisors (62827112).

64853728 is a wasteful number, since it uses less digits than its factorization.

64853728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026689 (or 2026681 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 64853728 is about 8053.1812347668. The cubic root of 64853728 is about 401.7707495478.

The spelling of 64853728 in words is "sixty-four million, eight hundred fifty-three thousand, seven hundred twenty-eight".