1004105730 has 64 divisors (see below), whose sum is σ = 2546121600. Its totient is φ = 252725760.

The previous prime is 1004105701. The next prime is 1004105737. The reversal of 1004105730 is 375014001.

It is a junction number, because it is equal to n+sod(n) for n = 1004105697 and 1004105706.

It is not an unprimeable number, because it can be changed into a prime (1004105737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157036 + ... + 163304.

It is an arithmetic number, because the mean of its divisors is an integer number (39783150).

Almost surely, 2^1004105730 is an apocalyptic number.

1004105730 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 1004105730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273060800).

1004105730 is an abundant number, since it is smaller than the sum of its proper divisors (1542015870).

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

1004105730 is a wasteful number, since it uses less digits than its factorization.

1004105730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1004105730 is about 31687.6273961936. The cubic root of 1004105730 is about 1001.3667079252.

Adding to 1004105730 its reverse (375014001), we get a palindrome (1379119731).

The spelling of 1004105730 in words is "one billion, four million, one hundred five thousand, seven hundred thirty".