1005730 has 32 divisors (see below), whose sum is σ = 2032128. Its totient is φ = 355200.

The previous prime is 1005709. The next prime is 1005751. The reversal of 1005730 is 375001.

1005730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1005709) and next prime (1005751).

It is a super-2 number, since 2×1005730² = 2022985665800, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4399 + ... + 4621.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2^1005730 is an apocalyptic number.

1005730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005730 is an abundant number, since it is smaller than the sum of its proper divisors (1026398).

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

1005730 is a wasteful number, since it uses less digits than its factorization.

1005730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282.

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 1005730 is about 1002.8609076038. The cubic root of 1005730 is about 100.1906363469.

The spelling of 1005730 in words is "one million, five thousand, seven hundred thirty".