72315043235 has 16 divisors (see below), whose sum is σ = 87185209440. Its totient is φ = 57580761600.

The previous prime is 72315043231. The next prime is 72315043243. The reversal of 72315043235 is 53234051327.

It is not a de Polignac number, because 72315043235 - 2² = 72315043231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72315043195 and 72315043204.

It is not an unprimeable number, because it can be changed into a prime (72315043231) 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, 4334660 + ... + 4351310.

It is an arithmetic number, because the mean of its divisors is an integer number (5449075590).

Almost surely, 2^72315043235 is an apocalyptic number.

72315043235 is a deficient number, since it is larger than the sum of its proper divisors (14870166205).

72315043235 is a wasteful number, since it uses less digits than its factorization.

72315043235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20678.

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 72315043235 in words is "seventy-two billion, three hundred fifteen million, forty-three thousand, two hundred thirty-five".