65730452 has 6 divisors (see below), whose sum is σ = 115028298. Its totient is φ = 32865224.

The previous prime is 65730437. The next prime is 65730479. The reversal of 65730452 is 25403756.

It can be written as a sum of positive squares in only one way, i.e., 62504836 + 3225616 = 7906^2 + 1796^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8216303 + ... + 8216310.

It is an arithmetic number, because the mean of its divisors is an integer number (19171383).

Almost surely, 2^65730452 is an apocalyptic number.

It is an amenable number.

65730452 is a deficient number, since it is larger than the sum of its proper divisors (49297846).

65730452 is a wasteful number, since it uses less digits than its factorization.

65730452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16432617 (or 16432615 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 65730452 is about 8107.4318991898. The cubic root of 65730452 is about 403.5730957630.

The spelling of 65730452 in words is "sixty-five million, seven hundred thirty thousand, four hundred fifty-two".