2421711700 has 72 divisors (see below), whose sum is σ = 5493007800. Its totient is φ = 925532160.

The previous prime is 2421711689. The next prime is 2421711703. The reversal of 2421711700 is 71171242.

It can be written as a sum of positive squares in 12 ways, for example, as 972691344 + 1449020356 = 31188^2 + 38066^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421711703) 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, 276996 + ... + 285604.

It is an arithmetic number, because the mean of its divisors is an integer number (76291775).

Almost surely, 2^2421711700 is an apocalyptic number.

2421711700 is a gapful number since it is divisible by the number (20) 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 2421711700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2746503900).

2421711700 is an abundant number, since it is smaller than the sum of its proper divisors (3071296100).

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

2421711700 is a wasteful number, since it uses less digits than its factorization.

2421711700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8749 (or 8742 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 2421711700 is about 49210.8900549462. The cubic root of 2421711700 is about 1342.8911549621.

Adding to 2421711700 its reverse (71171242), we get a palindrome (2492882942).

The spelling of 2421711700 in words is "two billion, four hundred twenty-one million, seven hundred eleven thousand, seven hundred".