60065781 has 8 divisors (see below), whose sum is σ = 80393280. Its totient is φ = 39891072.

The previous prime is 60065767. The next prime is 60065791. The reversal of 60065781 is 18756006.

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

It is not a de Polignac number, because 60065781 - 2⁵ = 60065749 is a prime.

It is a super-2 number, since 2×60065781² = 7215796094279922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60065741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37276 + ... + 38853.

It is an arithmetic number, because the mean of its divisors is an integer number (10049160).

Almost surely, 2^60065781 is an apocalyptic number.

It is an amenable number.

60065781 is a deficient number, since it is larger than the sum of its proper divisors (20327499).

60065781 is a wasteful number, since it uses less digits than its factorization.

60065781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76395.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 60065781 is about 7750.2116745286. The cubic root of 60065781 is about 391.6297807021.

The spelling of 60065781 in words is "sixty million, sixty-five thousand, seven hundred eighty-one".