7352644420 has 48 divisors (see below), whose sum is σ = 17162083008. Its totient is φ = 2623237760.

The previous prime is 7352644417. The next prime is 7352644423. The reversal of 7352644420 is 244462537.

It is an interprime number because it is at equal distance from previous prime (7352644417) and next prime (7352644423).

It is a super-2 number, since 2×7352644420² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7352644420.

It is not an unprimeable number, because it can be changed into a prime (7352644423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303634 + ... + 326953.

It is an arithmetic number, because the mean of its divisors is an integer number (357543396).

Almost surely, 2^7352644420 is an apocalyptic number.

It is an amenable number.

7352644420 is an abundant number, since it is smaller than the sum of its proper divisors (9809438588).

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

7352644420 is a wasteful number, since it uses less digits than its factorization.

7352644420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630660 (or 630658 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 37.

The square root of 7352644420 is about 85747.5621810906. The cubic root of 7352644420 is about 1944.5294332835.

The spelling of 7352644420 in words is "seven billion, three hundred fifty-two million, six hundred forty-four thousand, four hundred twenty".