742069 has 2 divisors, whose sum is σ = 742070. Its totient is φ = 742068.

The previous prime is 742057. The next prime is 742073. The reversal of 742069 is 960247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439569 + 302500 = 663^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 742069 - 2⁵ = 742037 is a prime.

It is a super-2 number, since 2×742069² = 1101332801522, which contains 22 as substring.

742069 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371034 + 371035.

It is an arithmetic number, because the mean of its divisors is an integer number (371035).

2⁷⁴²⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

742069 is a deficient number, since it is larger than the sum of its proper divisors (1).

742069 is an equidigital number, since it uses as much as digits as its factorization.

742069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 742069 is about 861.4342691117. The cubic root of 742069 is about 90.5346366814.

The spelling of 742069 in words is "seven hundred forty-two thousand, sixty-nine".