1061730 has 48 divisors (see below), whose sum is σ = 2830464. Its totient is φ = 276000.

The previous prime is 1061729. The next prime is 1061737. The reversal of 1061730 is 371601.

It is a super-2 number, since 2×1061730² = 2254541185800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1061737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4105 + ... + 4355.

It is an arithmetic number, because the mean of its divisors is an integer number (58968).

2^1061730 is an apocalyptic number.

1061730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415232).

1061730 is an abundant number, since it is smaller than the sum of its proper divisors (1768734).

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

1061730 is a wasteful number, since it uses less digits than its factorization.

1061730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 1061730 is about 1030.4028338470. The cubic root of 1061730 is about 102.0167215954.

1061730 divided by its sum of digits (18) gives a palindrome (58985).

The spelling of 1061730 in words is "one million, sixty-one thousand, seven hundred thirty".