73195457 has 2 divisors, whose sum is σ = 73195458. Its totient is φ = 73195456.

The previous prime is 73195439. The next prime is 73195471. The reversal of 73195457 is 75459137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55294096 + 17901361 = 7436^2 + 4231^2 .

It is a cyclic number.

It is not a de Polignac number, because 73195457 - 2⁶ = 73195393 is a prime.

It is not a weakly prime, because it can be changed into another prime (73195477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36597728 + 36597729.

It is an arithmetic number, because the mean of its divisors is an integer number (36597729).

Almost surely, 2^73195457 is an apocalyptic number.

It is an amenable number.

73195457 is a deficient number, since it is larger than the sum of its proper divisors (1).

73195457 is an equidigital number, since it uses as much as digits as its factorization.

73195457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 41.

The square root of 73195457 is about 8555.4343548414. The cubic root of 73195457 is about 418.3065922954.

The spelling of 73195457 in words is "seventy-three million, one hundred ninety-five thousand, four hundred fifty-seven".