65372004 has 72 divisors (see below), whose sum is σ = 176117760. Its totient is φ = 20374272.

The previous prime is 65371993. The next prime is 65372009. The reversal of 65372004 is 40027356.

It is a happy number.

65372004 is a `hidden beast` number, since 653 + 7 + 2 + 0 + 0 + 4 = 666.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (65372009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136237 + ... + 136715.

It is an arithmetic number, because the mean of its divisors is an integer number (2446080).

Almost surely, 2^65372004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65372004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88058880).

65372004 is an abundant number, since it is smaller than the sum of its proper divisors (110745756).

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

65372004 is a wasteful number, since it uses less digits than its factorization.

65372004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 65372004 is about 8085.2955419082. The cubic root of 65372004 is about 402.8381562114.

The spelling of 65372004 in words is "sixty-five million, three hundred seventy-two thousand, four".