72314377775445 has 32 divisors (see below), whose sum is σ = 124609568170752. Its totient is φ = 35599115123712.

The previous prime is 72314377775417. The next prime is 72314377775501. The reversal of 72314377775445 is 54457777341327.

It is not a de Polignac number, because 72314377775445 - 2⁷ = 72314377775317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5572777 + ... + 13254606.

It is an arithmetic number, because the mean of its divisors is an integer number (3894049005336).

Almost surely, 2^{72314377775445} is an apocalyptic number.

It is an amenable number.

72314377775445 is a deficient number, since it is larger than the sum of its proper divisors (52295190395307).

72314377775445 is a wasteful number, since it uses less digits than its factorization.

72314377775445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18847101.

The product of its digits is 484041600, while the sum is 66.

The spelling of 72314377775445 in words is "seventy-two trillion, three hundred fourteen billion, three hundred seventy-seven million, seven hundred seventy-five thousand, four hundred forty-five".