7073721883545 has 16 divisors (see below), whose sum is σ = 11336239285440. Its totient is φ = 3766556913984.

The previous prime is 7073721883541. The next prime is 7073721883567. The reversal of 7073721883545 is 5453881273707.

7073721883545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7073721883545 - 2² = 7073721883541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7073721883541) 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, 380912734 + ... + 380931303.

It is an arithmetic number, because the mean of its divisors is an integer number (708514955340).

Almost surely, 2^{7073721883545} is an apocalyptic number.

It is an amenable number.

7073721883545 is a deficient number, since it is larger than the sum of its proper divisors (4262517401895).

7073721883545 is a wasteful number, since it uses less digits than its factorization.

7073721883545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761844664.

The product of its (nonzero) digits is 39513600, while the sum is 60.

The spelling of 7073721883545 in words is "seven trillion, seventy-three billion, seven hundred twenty-one million, eight hundred eighty-three thousand, five hundred forty-five".