72674944073 has 2 divisors, whose sum is σ = 72674944074. Its totient is φ = 72674944072.

The previous prime is 72674944057. The next prime is 72674944091. The reversal of 72674944073 is 37044947627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50177344009 + 22497600064 = 224003^2 + 149992^2 .

It is a cyclic number.

It is not a de Polignac number, because 72674944073 - 2⁴ = 72674944057 is a prime.

It is not a weakly prime, because it can be changed into another prime (72674944003) 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 as a sum of consecutive naturals, namely, 36337472036 + 36337472037.

It is an arithmetic number, because the mean of its divisors is an integer number (36337472037).

Almost surely, 2^72674944073 is an apocalyptic number.

It is an amenable number.

72674944073 is a deficient number, since it is larger than the sum of its proper divisors (1).

72674944073 is an equidigital number, since it uses as much as digits as its factorization.

72674944073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 72674944073 in words is "seventy-two billion, six hundred seventy-four million, nine hundred forty-four thousand, seventy-three".