742843348247 has 16 divisors (see below), whose sum is σ = 997384077312. Its totient is φ = 534312897120.

The previous prime is 742843348237. The next prime is 742843348343.

742843348247 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 742843348247 - 2²⁶ = 742776239383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 742843348192 and 742843348201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742843348237) 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, 371049623 + ... + 371051624.

It is an arithmetic number, because the mean of its divisors is an integer number (62336504832).

Almost surely, 2^742843348247 is an apocalyptic number.

742843348247 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

742843348247 is a deficient number, since it is larger than the sum of its proper divisors (254540729065).

742843348247 is a wasteful number, since it uses less digits than its factorization.

742843348247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742101278.

The product of its digits is 28901376, while the sum is 56.

The spelling of 742843348247 in words is "seven hundred forty-two billion, eight hundred forty-three million, three hundred forty-eight thousand, two hundred forty-seven".