67120973 has 2 divisors, whose sum is σ = 67120974. Its totient is φ = 67120972.

The previous prime is 67120967. The next prime is 67121011. The reversal of 67120973 is 37902176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37982569 + 29138404 = 6163^2 + 5398^2 .

It is a cyclic number.

It is not a de Polignac number, because 67120973 - 2⁴ = 67120957 is a prime.

It is equal to p_3958451 and since 67120973 and 3958451 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67120373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33560486 + 33560487.

It is an arithmetic number, because the mean of its divisors is an integer number (33560487).

Almost surely, 2^67120973 is an apocalyptic number.

It is an amenable number.

67120973 is a deficient number, since it is larger than the sum of its proper divisors (1).

67120973 is an equidigital number, since it uses as much as digits as its factorization.

67120973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 67120973 is about 8192.7390413707. The cubic root of 67120973 is about 406.3991096666.

The spelling of 67120973 in words is "sixty-seven million, one hundred twenty thousand, nine hundred seventy-three".