742433669 has 8 divisors (see below), whose sum is σ = 768956760. Its totient is φ = 715972096.

The previous prime is 742433651. The next prime is 742433717. The reversal of 742433669 is 966334247.

It can be written as a sum of positive squares in 4 ways, for example, as 494528644 + 247905025 = 22238^2 + 15745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742433669 - 2¹² = 742429573 is a prime.

It is a super-2 number, since 2×742433669² = 1102415505729603122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742433609) 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 in 7 ways as a sum of consecutive naturals, for example, 9917 + ... + 39789.

It is an arithmetic number, because the mean of its divisors is an integer number (96119595).

Almost surely, 2^742433669 is an apocalyptic number.

It is an amenable number.

742433669 is a deficient number, since it is larger than the sum of its proper divisors (26523091).

742433669 is a wasteful number, since it uses less digits than its factorization.

742433669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30759.

The product of its digits is 653184, while the sum is 44.

The square root of 742433669 is about 27247.6360259014. The cubic root of 742433669 is about 905.4946448888.

The spelling of 742433669 in words is "seven hundred forty-two million, four hundred thirty-three thousand, six hundred sixty-nine".