1504720332 has 72 divisors (see below), whose sum is σ = 3956993040. Its totient is φ = 481541760.

The previous prime is 1504720331. The next prime is 1504720379. The reversal of 1504720332 is 2330274051.

It is a junction number, because it is equal to n+sod(n) for n = 1504720296 and 1504720305.

It is not an unprimeable number, because it can be changed into a prime (1504720331) 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, 184983 + ... + 192945.

Almost surely, 2^1504720332 is an apocalyptic number.

1504720332 is a gapful number since it is divisible by the number (12) 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 1504720332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1978496520).

1504720332 is an abundant number, since it is smaller than the sum of its proper divisors (2452272708).

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

1504720332 is a wasteful number, since it uses less digits than its factorization.

1504720332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8183 (or 8178 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1504720332 is about 38790.7248192142. The cubic root of 1504720332 is about 1145.9137477002.

Adding to 1504720332 its reverse (2330274051), we get a palindrome (3834994383).

The spelling of 1504720332 in words is "one billion, five hundred four million, seven hundred twenty thousand, three hundred thirty-two".