1009530774 has 96 divisors (see below), whose sum is σ = 2602566720. Its totient is φ = 276708096.

The previous prime is 1009530773. The next prime is 1009530791. The reversal of 1009530774 is 4770359001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009530773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 631344 + ... + 632940.

It is an arithmetic number, because the mean of its divisors is an integer number (27110070).

Almost surely, 2^1009530774 is an apocalyptic number.

1009530774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1009530774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301283360).

1009530774 is an abundant number, since it is smaller than the sum of its proper divisors (1593035946).

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

1009530774 is a wasteful number, since it uses less digits than its factorization.

1009530774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 1009530774 is about 31773.1140116923. The cubic root of 1009530774 is about 1003.1668849195.

Adding to 1009530774 its reverse (4770359001), we get a palindrome (5779889775).

The spelling of 1009530774 in words is "one billion, nine million, five hundred thirty thousand, seven hundred seventy-four".