72314575773613 has 4 divisors (see below), whose sum is σ = 72314616102300. Its totient is φ = 72314535444928.

The previous prime is 72314575773607. The next prime is 72314575773667. The reversal of 72314575773613 is 31637757541327.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27588682715049 + 44725893058564 = 5252493^2 + 6687742^2 .

It is a cyclic number.

It is not a de Polignac number, because 72314575773613 - 2⁹ = 72314575773101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72314575773683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17343070 + ... + 21104767.

It is an arithmetic number, because the mean of its divisors is an integer number (18078654025575).

Almost surely, 2^{72314575773613} is an apocalyptic number.

It is an amenable number.

72314575773613 is a deficient number, since it is larger than the sum of its proper divisors (40328687).

72314575773613 is a wasteful number, since it uses less digits than its factorization.

72314575773613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40328686.

The product of its digits is 77792400, while the sum is 61.

The spelling of 72314575773613 in words is "seventy-two trillion, three hundred fourteen billion, five hundred seventy-five million, seven hundred seventy-three thousand, six hundred thirteen".