72201400813 has 4 divisors (see below), whose sum is σ = 76001474560. Its totient is φ = 68401327068.

The previous prime is 72201400811. The next prime is 72201400819. The reversal of 72201400813 is 31800410227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72201400813 - 2¹ = 72201400811 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 (72201400811) 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, 1900036845 + ... + 1900036882.

It is an arithmetic number, because the mean of its divisors is an integer number (19000368640).

Almost surely, 2^72201400813 is an apocalyptic number.

It is an amenable number.

72201400813 is a deficient number, since it is larger than the sum of its proper divisors (3800073747).

72201400813 is a wasteful number, since it uses less digits than its factorization.

72201400813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800073746.

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 72201400813 in words is "seventy-two billion, two hundred one million, four hundred thousand, eight hundred thirteen".