72450675029 has 2 divisors, whose sum is σ = 72450675030. Its totient is φ = 72450675028.

The previous prime is 72450675013. The next prime is 72450675043. The reversal of 72450675029 is 92057605427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71597450929 + 853224100 = 267577^2 + 29210^2 .

It is a cyclic number.

It is not a de Polignac number, because 72450675029 - 2⁴ = 72450675013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72450675529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36225337514 + 36225337515.

It is an arithmetic number, because the mean of its divisors is an integer number (36225337515).

Almost surely, 2^72450675029 is an apocalyptic number.

It is an amenable number.

72450675029 is a deficient number, since it is larger than the sum of its proper divisors (1).

72450675029 is an equidigital number, since it uses as much as digits as its factorization.

72450675029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 72450675029 in words is "seventy-two billion, four hundred fifty million, six hundred seventy-five thousand, twenty-nine".