7420645446 has 32 divisors (see below), whose sum is σ = 14915725440. Its totient is φ = 2461169664.

The previous prime is 7420645369. The next prime is 7420645481. The reversal of 7420645446 is 6445460247.

It is a junction number, because it is equal to n+sod(n) for n = 7420645398 and 7420645407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302921 + ... + 1308603.

It is an arithmetic number, because the mean of its divisors is an integer number (466116420).

Almost surely, 2^7420645446 is an apocalyptic number.

7420645446 is an abundant number, since it is smaller than the sum of its proper divisors (7495079994).

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

7420645446 is a wasteful number, since it uses less digits than its factorization.

7420645446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740.

The product of its (nonzero) digits is 645120, while the sum is 42.

The square root of 7420645446 is about 86143.1683071850. The cubic root of 7420645446 is about 1950.5057155156.

The spelling of 7420645446 in words is "seven billion, four hundred twenty million, six hundred forty-five thousand, four hundred forty-six".