73475197 has 2 divisors, whose sum is σ = 73475198. Its totient is φ = 73475196.

The previous prime is 73475167. The next prime is 73475203. The reversal of 73475197 is 79157437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39614436 + 33860761 = 6294^2 + 5819^2 .

It is a cyclic number.

It is not a de Polignac number, because 73475197 - 2⁷ = 73475069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73475117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36737598 + 36737599.

It is an arithmetic number, because the mean of its divisors is an integer number (36737599).

Almost surely, 2^73475197 is an apocalyptic number.

It is an amenable number.

73475197 is a deficient number, since it is larger than the sum of its proper divisors (1).

73475197 is an equidigital number, since it uses as much as digits as its factorization.

73475197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185220, while the sum is 43.

The square root of 73475197 is about 8571.7674373492. The cubic root of 73475197 is about 418.8388126171.

It can be divided in two parts, 7347 and 5197, that added together give a square (12544 = 112²).

The spelling of 73475197 in words is "seventy-three million, four hundred seventy-five thousand, one hundred ninety-seven".