3722813420 has 24 divisors (see below), whose sum is σ = 7851471264. Its totient is φ = 1482732416.

The previous prime is 3722813411. The next prime is 3722813429. The reversal of 3722813420 is 243182273.

It is an interprime number because it is at equal distance from previous prime (3722813411) and next prime (3722813429).

It is not an unprimeable number, because it can be changed into a prime (3722813429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394784 + ... + 404103.

It is an arithmetic number, because the mean of its divisors is an integer number (327144636).

Almost surely, 2^3722813420 is an apocalyptic number.

It is an amenable number.

3722813420 is an abundant number, since it is smaller than the sum of its proper divisors (4128657844).

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

3722813420 is a wasteful number, since it uses less digits than its factorization.

3722813420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799129 (or 799127 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 3722813420 is about 61014.8622878066. The cubic root of 3722813420 is about 1549.8526977604.

Adding to 3722813420 its reverse (243182273), we get a palindrome (3965995693).

The spelling of 3722813420 in words is "three billion, seven hundred twenty-two million, eight hundred thirteen thousand, four hundred twenty".