72423445035 has 64 divisors (see below), whose sum is σ = 124412889600. Its totient is φ = 35863446528.

The previous prime is 72423445027. The next prime is 72423445037. The reversal of 72423445035 is 53054432427.

It is not a de Polignac number, because 72423445035 - 2³ = 72423445027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72423444984 and 72423445002.

It is not an unprimeable number, because it can be changed into a prime (72423445037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18018256 + ... + 18022274.

It is an arithmetic number, because the mean of its divisors is an integer number (1943951400).

Almost surely, 2^72423445035 is an apocalyptic number.

72423445035 is a deficient number, since it is larger than the sum of its proper divisors (51989444565).

72423445035 is a wasteful number, since it uses less digits than its factorization.

72423445035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292.

The product of its (nonzero) digits is 403200, while the sum is 39.

The spelling of 72423445035 in words is "seventy-two billion, four hundred twenty-three million, four hundred forty-five thousand, thirty-five".