742424424247 has 16 divisors (see below), whose sum is σ = 822502346112. Its totient is φ = 664521369120.

The previous prime is 742424424229. The next prime is 742424424253.

742424424247 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 742424424247 - 2¹⁵ = 742424391479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742424424197 and 742424424206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742424424347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1743048 + ... + 2126749.

It is an arithmetic number, because the mean of its divisors is an integer number (51406396632).

Almost surely, 2^742424424247 is an apocalyptic number.

742424424247 is a deficient number, since it is larger than the sum of its proper divisors (80077921865).

742424424247 is a wasteful number, since it uses less digits than its factorization.

742424424247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870078.

The product of its digits is 3211264, while the sum is 46.

The spelling of 742424424247 in words is "seven hundred forty-two billion, four hundred twenty-four million, four hundred twenty-four thousand, two hundred forty-seven".