67347373 has 2 divisors, whose sum is σ = 67347374. Its totient is φ = 67347372.

The previous prime is 67347347. The next prime is 67347377. The reversal of 67347373 is 37374376.

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., 62694724 + 4652649 = 7918^2 + 2157^2 .

It is a cyclic number.

It is not a de Polignac number, because 67347373 - 2⁹ = 67346861 is a prime.

It is a super-2 number, since 2×67347373² = 9071337300002258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67347377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33673686 + 33673687.

It is an arithmetic number, because the mean of its divisors is an integer number (33673687).

Almost surely, 2^67347373 is an apocalyptic number.

It is an amenable number.

67347373 is a deficient number, since it is larger than the sum of its proper divisors (1).

67347373 is an equidigital number, since it uses as much as digits as its factorization.

67347373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 40.

The square root of 67347373 is about 8206.5445225137. The cubic root of 67347373 is about 406.8555268826.

The spelling of 67347373 in words is "sixty-seven million, three hundred forty-seven thousand, three hundred seventy-three".