742435534247 has 4 divisors (see below), whose sum is σ = 809929673736. Its totient is φ = 674941394760.

The previous prime is 742435534219. The next prime is 742435534307.

742435534247 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742435534247 - 2¹⁰ = 742435533223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742435534195 and 742435534204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742435534207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33747069728 + ... + 33747069749.

It is an arithmetic number, because the mean of its divisors is an integer number (202482418434).

Almost surely, 2^742435534247 is an apocalyptic number.

742435534247 is a deficient number, since it is larger than the sum of its proper divisors (67494139489).

742435534247 is a wasteful number, since it uses less digits than its factorization.

742435534247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67494139488.

The product of its digits is 11289600, while the sum is 50.

The spelling of 742435534247 in words is "seven hundred forty-two billion, four hundred thirty-five million, five hundred thirty-four thousand, two hundred forty-seven".