72450675042 has 32 divisors (see below), whose sum is σ = 146016864000. Its totient is φ = 23964480528.

The previous prime is 72450675029. The next prime is 72450675043. The reversal of 72450675042 is 24057605427.

It is a junction number, because it is equal to n+sod(n) for n = 72450674985 and 72450675003.

It is not an unprimeable number, because it can be changed into a prime (72450675043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729873 + ... + 1771259.

It is an arithmetic number, because the mean of its divisors is an integer number (4563027000).

Almost surely, 2^72450675042 is an apocalyptic number.

72450675042 is an abundant number, since it is smaller than the sum of its proper divisors (73566188958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72450675042 is a wasteful number, since it uses less digits than its factorization.

72450675042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43630.

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 72450675042 in words is "seventy-two billion, four hundred fifty million, six hundred seventy-five thousand, forty-two".