7621473674540 has 72 divisors (see below), whose sum is σ = 17718941481360. Its totient is φ = 2751506398080.

The previous prime is 7621473674527. The next prime is 7621473674597. The reversal of 7621473674540 is 454763741267.

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, 10992287 + ... + 11665046.

Almost surely, 2^{7621473674540} is an apocalyptic number.

It is an amenable number.

7621473674540 is an abundant number, since it is smaller than the sum of its proper divisors (10097467806820).

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

7621473674540 is a wasteful number, since it uses less digits than its factorization.

7621473674540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22657503 (or 22657490 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 7621473674540 in words is "seven trillion, six hundred twenty-one billion, four hundred seventy-three million, six hundred seventy-four thousand, five hundred forty".