2372721130 has 48 divisors (see below), whose sum is σ = 4784271480. Its totient is φ = 845854464.

The previous prime is 2372721103. The next prime is 2372721157. The reversal of 2372721130 is 311272732.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2372721103) and next prime (2372721157).

It can be written as a sum of positive squares in 12 ways, for example, as 37222201 + 2335498929 = 6101^2 + 48327^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24804 + ... + 73216.

Almost surely, 2^2372721130 is an apocalyptic number.

2372721130 is an abundant number, since it is smaller than the sum of its proper divisors (2411550350).

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

2372721130 is a wasteful number, since it uses less digits than its factorization.

2372721130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48475 (or 48462 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 2372721130 is about 48710.5853998902. The cubic root of 2372721130 is about 1333.7739551372.

Adding to 2372721130 its reverse (311272732), we get a palindrome (2683993862).

The spelling of 2372721130 in words is "two billion, three hundred seventy-two million, seven hundred twenty-one thousand, one hundred thirty".