65130724 has 12 divisors (see below), whose sum is σ = 116629744. Its totient is φ = 31807944.

The previous prime is 65130719. The next prime is 65130773. The reversal of 65130724 is 42703156.

65130724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65130724² = 8484022417528352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65130692 and 65130701.

It is an unprimeable number.

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, 189162 + ... + 189505.

Almost surely, 2^65130724 is an apocalyptic number.

It is an amenable number.

65130724 is a deficient number, since it is larger than the sum of its proper divisors (51499020).

65130724 is a wasteful number, since it uses less digits than its factorization.

65130724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378714 (or 378712 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 65130724 is about 8070.3608345600. The cubic root of 65130724 is about 402.3419365728.

It can be divided in two parts, 651 and 30724, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 65130724 in words is "sixty-five million, one hundred thirty thousand, seven hundred twenty-four".