1067749 has 2 divisors, whose sum is σ = 1067750. Its totient is φ = 1067748.

The previous prime is 1067747. The next prime is 1067761. The reversal of 1067749 is 9477601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 893025 + 174724 = 945^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 1067749 - 2¹ = 1067747 is a prime.

It is a super-2 number, since 2×1067749² = 2280175854002, which contains 22 as substring.

Together with 1067747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1067741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533874 + 533875.

It is an arithmetic number, because the mean of its divisors is an integer number (533875).

2^1067749 is an apocalyptic number.

It is an amenable number.

1067749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067749 is an equidigital number, since it uses as much as digits as its factorization.

1067749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1067749 is about 1033.3194085083. The cubic root of 1067749 is about 102.2091377305.

The spelling of 1067749 in words is "one million, sixty-seven thousand, seven hundred forty-nine".