72307336435055 has 16 divisors (see below), whose sum is σ = 89766170066880. Its totient is φ = 55847862190848.

The previous prime is 72307336435027. The next prime is 72307336435057. The reversal of 72307336435055 is 55053463370327.

It is a cyclic number.

It is not a de Polignac number, because 72307336435055 - 2¹⁰ = 72307336434031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72307336434988 and 72307336435006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72307336435057) 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, 12381782 + ... + 17260451.

It is an arithmetic number, because the mean of its divisors is an integer number (5610385629180).

Almost surely, 2^{72307336435055} is an apocalyptic number.

72307336435055 is a deficient number, since it is larger than the sum of its proper divisors (17458833631825).

72307336435055 is a wasteful number, since it uses less digits than its factorization.

72307336435055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29659090.

The product of its (nonzero) digits is 23814000, while the sum is 53.

The spelling of 72307336435055 in words is "seventy-two trillion, three hundred seven billion, three hundred thirty-six million, four hundred thirty-five thousand, fifty-five".