65420430 has 16 divisors (see below), whose sum is σ = 157009104. Its totient is φ = 17445440.

The previous prime is 65420423. The next prime is 65420449. The reversal of 65420430 is 3402456.

It is a super-2 number, since 2×65420430² = 8559665322769800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65420430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090311 + ... + 1090370.

It is an arithmetic number, because the mean of its divisors is an integer number (9813069).

Almost surely, 2^65420430 is an apocalyptic number.

65420430 is an abundant number, since it is smaller than the sum of its proper divisors (91588674).

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

65420430 is a wasteful number, since it uses less digits than its factorization.

65420430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180691.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 65420430 is about 8088.2896832396. The cubic root of 65420430 is about 402.9376025817.

Adding to 65420430 its reverse (3402456), we get a palindrome (68822886).

The spelling of 65420430 in words is "sixty-five million, four hundred twenty thousand, four hundred thirty".