65314728 has 64 divisors (see below), whose sum is σ = 187704000. Its totient is φ = 21018816.

The previous prime is 65314673. The next prime is 65314729. The reversal of 65314728 is 82741356.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 65314692 and 65314701.

It is not an unprimeable number, because it can be changed into a prime (65314729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051 + ... + 11477.

It is an arithmetic number, because the mean of its divisors is an integer number (2932875).

Almost surely, 2^65314728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65314728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93852000).

65314728 is an abundant number, since it is smaller than the sum of its proper divisors (122389272).

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

65314728 is a wasteful number, since it uses less digits than its factorization.

65314728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10471 (or 10461 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 65314728 is about 8081.7527801833. The cubic root of 65314728 is about 402.7204722968.

The spelling of 65314728 in words is "sixty-five million, three hundred fourteen thousand, seven hundred twenty-eight".