73857241 has 2 divisors, whose sum is σ = 73857242. Its totient is φ = 73857240.

The previous prime is 73857227. The next prime is 73857247. The reversal of 73857241 is 14275837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39000025 + 34857216 = 6245^2 + 5904^2 .

It is an emirp because it is prime and its reverse (14275837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73857241 - 2²³ = 65468633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73857241.

It is not a weakly prime, because it can be changed into another prime (73857247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36928620 + 36928621.

It is an arithmetic number, because the mean of its divisors is an integer number (36928621).

Almost surely, 2^73857241 is an apocalyptic number.

It is an amenable number.

73857241 is a deficient number, since it is larger than the sum of its proper divisors (1).

73857241 is an equidigital number, since it uses as much as digits as its factorization.

73857241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 37.

The square root of 73857241 is about 8594.0235629186. The cubic root of 73857241 is about 419.5634939643.

The spelling of 73857241 in words is "seventy-three million, eight hundred fifty-seven thousand, two hundred forty-one".