65404030 has 16 divisors (see below), whose sum is σ = 118044720. Its totient is φ = 26091072.

The previous prime is 65404013. The next prime is 65404063. The reversal of 65404030 is 3040456.

It is a super-3 number, since 3×65404030³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65403992 and 65404010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4839 + ... + 12418.

It is an arithmetic number, because the mean of its divisors is an integer number (7377795).

Almost surely, 2^65404030 is an apocalyptic number.

65404030 is a deficient number, since it is larger than the sum of its proper divisors (52640690).

65404030 is a wasteful number, since it uses less digits than its factorization.

65404030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17643.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 65404030 is about 8087.2758083300. The cubic root of 65404030 is about 402.9039294669.

Adding to 65404030 its reverse (3040456), we get a palindrome (68444486).

The spelling of 65404030 in words is "sixty-five million, four hundred four thousand, thirty".