65030784 has 128 divisors (see below), whose sum is σ = 212714880. Its totient is φ = 17141760.

The previous prime is 65030773. The next prime is 65030827. The reversal of 65030784 is 48703056.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34014 + ... + 35874.

It is an arithmetic number, because the mean of its divisors is an integer number (1661835).

Almost surely, 2^65030784 is an apocalyptic number.

65030784 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65030784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106357440).

65030784 is an abundant number, since it is smaller than the sum of its proper divisors (147684096).

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

65030784 is a wasteful number, since it uses less digits than its factorization.

65030784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 65030784 is about 8064.1666649444. The cubic root of 65030784 is about 402.1360396984.

The spelling of 65030784 in words is "sixty-five million, thirty thousand, seven hundred eighty-four".