67672453 has 2 divisors, whose sum is σ = 67672454. Its totient is φ = 67672452.

The previous prime is 67672441. The next prime is 67672483. The reversal of 67672453 is 35427676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51294244 + 16378209 = 7162^2 + 4047^2 .

It is a cyclic number.

It is not a de Polignac number, because 67672453 - 2⁵ = 67672421 is a prime.

It is equal to p_3989164 and since 67672453 and 3989164 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 (67672483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33836226 + 33836227.

It is an arithmetic number, because the mean of its divisors is an integer number (33836227).

Almost surely, 2^67672453 is an apocalyptic number.

It is an amenable number.

67672453 is a deficient number, since it is larger than the sum of its proper divisors (1).

67672453 is an equidigital number, since it uses as much as digits as its factorization.

67672453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The square root of 67672453 is about 8226.3268230724. The cubic root of 67672453 is about 407.5090953595.

The spelling of 67672453 in words is "sixty-seven million, six hundred seventy-two thousand, four hundred fifty-three".