65072480 has 48 divisors (see below), whose sum is σ = 167714064. Its totient is φ = 23662080.

The previous prime is 65072479. The next prime is 65072489. The reversal of 65072480 is 8427056.

65072480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65072489) 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, 16727 + ... + 20246.

It is an arithmetic number, because the mean of its divisors is an integer number (3494043).

Almost surely, 2^65072480 is an apocalyptic number.

It is an amenable number.

65072480 is an abundant number, since it is smaller than the sum of its proper divisors (102641584).

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

65072480 is a wasteful number, since it uses less digits than its factorization.

65072480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36999 (or 36991 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 65072480 is about 8066.7515147053. The cubic root of 65072480 is about 402.2219676285.

The spelling of 65072480 in words is "sixty-five million, seventy-two thousand, four hundred eighty".