742432234247 has 4 divisors (see below), whose sum is σ = 809926073736. Its totient is φ = 674938394760.

The previous prime is 742432234237. The next prime is 742432234249.

742432234247 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 742432234247 - 2¹⁶ = 742432168711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742432234198 and 742432234207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742432234249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33746919728 + ... + 33746919749.

It is an arithmetic number, because the mean of its divisors is an integer number (202481518434).

Almost surely, 2^742432234247 is an apocalyptic number.

742432234247 is a deficient number, since it is larger than the sum of its proper divisors (67493839489).

742432234247 is a wasteful number, since it uses less digits than its factorization.

742432234247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67493839488.

The product of its digits is 1806336, while the sum is 44.

It can be divided in two parts, 742432 and 234247, that added together give a palindrome (976679).

The spelling of 742432234247 in words is "seven hundred forty-two billion, four hundred thirty-two million, two hundred thirty-four thousand, two hundred forty-seven".