73212851 has 2 divisors, whose sum is σ = 73212852. Its totient is φ = 73212850.

The previous prime is 73212827. The next prime is 73212859. The reversal of 73212851 is 15821237.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73212851 - 2¹⁴ = 73196467 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (73212859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36606425 + 36606426.

It is an arithmetic number, because the mean of its divisors is an integer number (36606426).

Almost surely, 2^73212851 is an apocalyptic number.

73212851 is a deficient number, since it is larger than the sum of its proper divisors (1).

73212851 is an equidigital number, since it uses as much as digits as its factorization.

73212851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 73212851 is about 8556.4508413243. The cubic root of 73212851 is about 418.3397248097.

The spelling of 73212851 in words is "seventy-three million, two hundred twelve thousand, eight hundred fifty-one".