65602972 has 12 divisors (see below), whose sum is σ = 120847720. Its totient is φ = 31075056.

The previous prime is 65602967. The next prime is 65602973. The reversal of 65602972 is 27920656.

65602972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65602973) 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 3 ways as a sum of consecutive naturals, for example, 431523 + ... + 431674.

Almost surely, 2^65602972 is an apocalyptic number.

It is an amenable number.

65602972 is a deficient number, since it is larger than the sum of its proper divisors (55244748).

65602972 is a wasteful number, since it uses less digits than its factorization.

65602972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863220 (or 863218 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 65602972 is about 8099.5661612212. The cubic root of 65602972 is about 403.3120255270.

The spelling of 65602972 in words is "sixty-five million, six hundred two thousand, nine hundred seventy-two".