3721468340 has 24 divisors (see below), whose sum is σ = 7864867752. Its totient is φ = 1479104640.

The previous prime is 3721468277. The next prime is 3721468357. The reversal of 3721468340 is 438641273.

It can be written as a sum of positive squares in 4 ways, for example, as 712336 + 3720756004 = 844^2 + 60998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3721468294 and 3721468303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589451 + ... + 595730.

It is an arithmetic number, because the mean of its divisors is an integer number (327702823).

Almost surely, 2^3721468340 is an apocalyptic number.

It is an amenable number.

3721468340 is an abundant number, since it is smaller than the sum of its proper divisors (4143399412).

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

3721468340 is a wasteful number, since it uses less digits than its factorization.

3721468340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185347 (or 1185345 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 3721468340 is about 61003.8387316733. The cubic root of 3721468340 is about 1549.6660175312. Note that the first 3 decimals are identical.

The spelling of 3721468340 in words is "three billion, seven hundred twenty-one million, four hundred sixty-eight thousand, three hundred forty".