64030816 has 12 divisors (see below), whose sum is σ = 126060732. Its totient is φ = 32015392.

The previous prime is 64030787. The next prime is 64030829. The reversal of 64030816 is 61803046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000450 + ... + 1000513.

It is an arithmetic number, because the mean of its divisors is an integer number (10505061).

Almost surely, 2^64030816 is an apocalyptic number.

It is an amenable number.

64030816 is a deficient number, since it is larger than the sum of its proper divisors (62029916).

64030816 is a wasteful number, since it uses less digits than its factorization.

64030816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000973 (or 2000965 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 64030816 is about 8001.9257682135. The cubic root of 64030816 is about 400.0641896987.

It can be divided in two parts, 64030 and 816, that added together give a palindrome (64846).

The spelling of 64030816 in words is "sixty-four million, thirty thousand, eight hundred sixteen".