72375197 has 2 divisors, whose sum is σ = 72375198. Its totient is φ = 72375196.

The previous prime is 72375187. The next prime is 72375229. The reversal of 72375197 is 79157327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38514436 + 33860761 = 6206^2 + 5819^2 .

It is a cyclic number.

It is not a de Polignac number, because 72375197 - 2¹⁶ = 72309661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72375167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36187598 + 36187599.

It is an arithmetic number, because the mean of its divisors is an integer number (36187599).

Almost surely, 2^72375197 is an apocalyptic number.

It is an amenable number.

72375197 is a deficient number, since it is larger than the sum of its proper divisors (1).

72375197 is an equidigital number, since it uses as much as digits as its factorization.

72375197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610, while the sum is 41.

The square root of 72375197 is about 8507.3613418028. The cubic root of 72375197 is about 416.7381437555.

The spelling of 72375197 in words is "seventy-two million, three hundred seventy-five thousand, one hundred ninety-seven".