3061245720 has 192 divisors, whose sum is σ = 10378471680. Its totient is φ = 720665088.

The previous prime is 3061245661. The next prime is 3061245721. The reversal of 3061245720 is 275421603.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061245721) 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, 463159 + ... + 469721.

It is an arithmetic number, because the mean of its divisors is an integer number (54054540).

Almost surely, 2^3061245720 is an apocalyptic number.

3061245720 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 3061245720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5189235840).

3061245720 is an abundant number, since it is smaller than the sum of its proper divisors (7317225960).

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

3061245720 is a wasteful number, since it uses less digits than its factorization.

3061245720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626 (or 6609 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3061245720 is about 55328.5253734455. The cubic root of 3061245720 is about 1451.9981520668.

The spelling of 3061245720 in words is "three billion, sixty-one million, two hundred forty-five thousand, seven hundred twenty".