1742420167 has 2 divisors, whose sum is σ = 1742420168. Its totient is φ = 1742420166.

The previous prime is 1742420161. The next prime is 1742420201. The reversal of 1742420167 is 7610242471.

It is a happy number.

It is an a-pointer prime, because the next prime (1742420201) can be obtained adding 1742420167 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1742420167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1742420161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871210083 + 871210084.

It is an arithmetic number, because the mean of its divisors is an integer number (871210084).

Almost surely, 2^1742420167 is an apocalyptic number.

1742420167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742420167 is an equidigital number, since it uses as much as digits as its factorization.

1742420167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 1742420167 is about 41742.3066803932. The cubic root of 1742420167 is about 1203.3287592173.

The spelling of 1742420167 in words is "one billion, seven hundred forty-two million, four hundred twenty thousand, one hundred sixty-seven".