65720614 has 8 divisors (see below), whose sum is σ = 102867120. Its totient is φ = 31431576.

The previous prime is 65720609. The next prime is 65720693. The reversal of 65720614 is 41602756.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714309 + ... + 714400.

It is an arithmetic number, because the mean of its divisors is an integer number (12858390).

Almost surely, 2^65720614 is an apocalyptic number.

65720614 is a deficient number, since it is larger than the sum of its proper divisors (37146506).

65720614 is a wasteful number, since it uses less digits than its factorization.

65720614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428734.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 65720614 is about 8106.8251492184. The cubic root of 65720614 is about 403.5529602444.

The spelling of 65720614 in words is "sixty-five million, seven hundred twenty thousand, six hundred fourteen".