65620336 has 40 divisors (see below), whose sum is σ = 132272784. Its totient is φ = 31511040.

The previous prime is 65620333. The next prime is 65620337. The reversal of 65620336 is 63302656.

65620336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65620298 and 65620307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65620333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43206 + ... + 44698.

Almost surely, 2^65620336 is an apocalyptic number.

It is an amenable number.

65620336 is an abundant number, since it is smaller than the sum of its proper divisors (66652448).

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

65620336 is a wasteful number, since it uses less digits than its factorization.

65620336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 65620336 is about 8100.6379995652. The cubic root of 65620336 is about 403.3476056846.

It can be divided in two parts, 65620 and 336, that added together give a palindrome (65956).

The spelling of 65620336 in words is "sixty-five million, six hundred twenty thousand, three hundred thirty-six".