73373957 has 2 divisors, whose sum is σ = 73373958. Its totient is φ = 73373956.

The previous prime is 73373947. The next prime is 73373959. The reversal of 73373957 is 75937337.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71081761 + 2292196 = 8431^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 73373957 - 2²⁶ = 6265093 is a prime.

Together with 73373959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73373959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36686978 + 36686979.

It is an arithmetic number, because the mean of its divisors is an integer number (36686979).

Almost surely, 2^73373957 is an apocalyptic number.

It is an amenable number.

73373957 is a deficient number, since it is larger than the sum of its proper divisors (1).

73373957 is an equidigital number, since it uses as much as digits as its factorization.

73373957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 416745, while the sum is 44.

The square root of 73373957 is about 8565.8599685029. The cubic root of 73373957 is about 418.6463543293.

The spelling of 73373957 in words is "seventy-three million, three hundred seventy-three thousand, nine hundred fifty-seven".