65072130 has 16 divisors (see below), whose sum is σ = 156173184. Its totient is φ = 17352560.

The previous prime is 65072113. The next prime is 65072149. The reversal of 65072130 is 3127056.

It is a self number, because there is not a number n which added to its sum of digits gives 65072130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084506 + ... + 1084565.

It is an arithmetic number, because the mean of its divisors is an integer number (9760824).

Almost surely, 2^65072130 is an apocalyptic number.

65072130 is an abundant number, since it is smaller than the sum of its proper divisors (91101054).

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

65072130 is a wasteful number, since it uses less digits than its factorization.

65072130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169081.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 65072130 is about 8066.7298206894. The cubic root of 65072130 is about 402.2212464944.

Adding to 65072130 its reverse (3127056), we get a palindrome (68199186).

The spelling of 65072130 in words is "sixty-five million, seventy-two thousand, one hundred thirty".