73957133 has 2 divisors, whose sum is σ = 73957134. Its totient is φ = 73957132.

The previous prime is 73957111. The next prime is 73957159. The reversal of 73957133 is 33175937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45941284 + 28015849 = 6778^2 + 5293^2 .

It is a cyclic number.

It is not a de Polignac number, because 73957133 - 2¹⁸ = 73694989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73957183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36978566 + 36978567.

It is an arithmetic number, because the mean of its divisors is an integer number (36978567).

Almost surely, 2^73957133 is an apocalyptic number.

It is an amenable number.

73957133 is a deficient number, since it is larger than the sum of its proper divisors (1).

73957133 is an equidigital number, since it uses as much as digits as its factorization.

73957133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59535, while the sum is 38.

The square root of 73957133 is about 8599.8333123381. The cubic root of 73957133 is about 419.7525621145.

The spelling of 73957133 in words is "seventy-three million, nine hundred fifty-seven thousand, one hundred thirty-three".