742553355247 has 12 divisors (see below), whose sum is σ = 846809435304. Its totient is φ = 645698564720.

The previous prime is 742553355221. The next prime is 742553355289.

742553355247 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 742553355247 - 2⁷ = 742553355119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742553355194 and 742553355203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742553355217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63798388 + ... + 63810025.

It is an arithmetic number, because the mean of its divisors is an integer number (70567452942).

Almost surely, 2^742553355247 is an apocalyptic number.

742553355247 is a deficient number, since it is larger than the sum of its proper divisors (104256080057).

742553355247 is a wasteful number, since it uses less digits than its factorization.

742553355247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127608470 (or 127608447 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 52.

The spelling of 742553355247 in words is "seven hundred forty-two billion, five hundred fifty-three million, three hundred fifty-five thousand, two hundred forty-seven".