3104172720 has 600 divisors, whose sum is σ = 12284494992. Its totient is φ = 725345280.

The previous prime is 3104172707. The next prime is 3104172727. The reversal of 3104172720 is 272714013.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3104172727) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 29010907 + ... + 29011013.

Almost surely, 2^3104172720 is an apocalyptic number.

3104172720 is a gapful number since it is divisible by the number (30) 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 3104172720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6142247496).

3104172720 is an abundant number, since it is smaller than the sum of its proper divisors (9180322272).

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

3104172720 is a wasteful number, since it uses less digits than its factorization.

3104172720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 3104172720 is about 55715.1031588384. The cubic root of 3104172720 is about 1458.7536620734.

Adding to 3104172720 its reverse (272714013), we get a palindrome (3376886733).

The spelling of 3104172720 in words is "three billion, one hundred four million, one hundred seventy-two thousand, seven hundred twenty".