60781 has 8 divisors (see below), whose sum is σ = 73280. Its totient is φ = 49248.

The previous prime is 60779. The next prime is 60793. The reversal of 60781 is 18706.

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

It is not a de Polignac number, because 60781 - 2¹ = 60779 is a prime.

It is a super-2 number, since 2×60781² = 7388659922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60761) by changing a digit.

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, 96 + ... + 361.

It is an arithmetic number, because the mean of its divisors is an integer number (9160).

2⁶⁰⁷⁸¹ is an apocalyptic number.

It is an amenable number.

60781 is a deficient number, since it is larger than the sum of its proper divisors (12499).

60781 is a wasteful number, since it uses less digits than its factorization.

60781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 60781 is about 246.5380295208. The cubic root of 60781 is about 39.3178064414.

It can be divided in two parts, 60 and 781, that added together give a square (841 = 29²).

The spelling of 60781 in words is "sixty thousand, seven hundred eighty-one".