65029818 has 48 divisors (see below), whose sum is σ = 156911040. Its totient is φ = 17597952.

The previous prime is 65029807. The next prime is 65029873. The reversal of 65029818 is 81892056.

65029818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65029818² = 8457754458226248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13018 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (3268980).

Almost surely, 2^65029818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65029818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78455520).

65029818 is an abundant number, since it is smaller than the sum of its proper divisors (91881222).

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

65029818 is a wasteful number, since it uses less digits than its factorization.

65029818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339 (or 4320 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 65029818 is about 8064.1067701265. The cubic root of 65029818 is about 402.1340485115.

The spelling of 65029818 in words is "sixty-five million, twenty-nine thousand, eight hundred eighteen".