73735157 has 2 divisors, whose sum is σ = 73735158. Its totient is φ = 73735156.

The previous prime is 73735147. The next prime is 73735159. The reversal of 73735157 is 75153737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73376356 + 358801 = 8566^2 + 599^2 .

It is an emirp because it is prime and its reverse (75153737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73735157 - 2⁴ = 73735141 is a prime.

Together with 73735159, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73735157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73735159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36867578 + 36867579.

It is an arithmetic number, because the mean of its divisors is an integer number (36867579).

Almost surely, 2^73735157 is an apocalyptic number.

It is an amenable number.

73735157 is a deficient number, since it is larger than the sum of its proper divisors (1).

73735157 is an equidigital number, since it uses as much as digits as its factorization.

73735157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77175, while the sum is 38.

The square root of 73735157 is about 8586.9177823012. The cubic root of 73735157 is about 419.3321908102.

The spelling of 73735157 in words is "seventy-three million, seven hundred thirty-five thousand, one hundred fifty-seven".