67867469 has 2 divisors, whose sum is σ = 67867470. Its totient is φ = 67867468.

The previous prime is 67867391. The next prime is 67867529. The reversal of 67867469 is 96476876.

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., 64609444 + 3258025 = 8038^2 + 1805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67867469 is a prime.

It is a super-2 number, since 2×67867469² = 9211986696931922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67867469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67867369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33933734 + 33933735.

It is an arithmetic number, because the mean of its divisors is an integer number (33933735).

Almost surely, 2^67867469 is an apocalyptic number.

It is an amenable number.

67867469 is a deficient number, since it is larger than the sum of its proper divisors (1).

67867469 is an equidigital number, since it uses as much as digits as its factorization.

67867469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 53.

The square root of 67867469 is about 8238.1714597355. The cubic root of 67867469 is about 407.9001682088.

The spelling of 67867469 in words is "sixty-seven million, eight hundred sixty-seven thousand, four hundred sixty-nine".