781060 has 36 divisors (see below), whose sum is σ = 1910412. Its totient is φ = 267456.

The previous prime is 781051. The next prime is 781063. The reversal of 781060 is 60187.

781060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 329476 + 451584 = 574^2 + 672^2 .

It is a super-2 number, since 2×781060² = 1220109447200, which contains 22 as substring.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (781063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582 + ... + 1378.

It is an arithmetic number, because the mean of its divisors is an integer number (53067).

2⁷⁸¹⁰⁶⁰ is an apocalyptic number.

781060 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 781060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955206).

781060 is an abundant number, since it is smaller than the sum of its proper divisors (1129352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

781060 is a wasteful number, since it uses less digits than its factorization.

781060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 811 counting only the distinct ones).

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

The square root of 781060 is about 883.7759897169. The cubic root of 781060 is about 92.0933205568.

The spelling of 781060 in words is "seven hundred eighty-one thousand, sixty".