1530704 has 40 divisors (see below), whose sum is σ = 3452160. Its totient is φ = 643968.

The previous prime is 1530703. The next prime is 1530709. The reversal of 1530704 is 4070351.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530703) 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, 8762 + ... + 8934.

It is an arithmetic number, because the mean of its divisors is an integer number (86304).

2^1530704 is an apocalyptic number.

1530704 is a gapful number since it is divisible by the number (14) 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 1530704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726080).

1530704 is an abundant number, since it is smaller than the sum of its proper divisors (1921456).

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

1530704 is a wasteful number, since it uses less digits than its factorization.

1530704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1530704 is about 1237.2162300908. The cubic root of 1530704 is about 115.2472060907.

The spelling of 1530704 in words is "one million, five hundred thirty thousand, seven hundred four".