742847828748246 has 288 divisors, whose sum is σ = 1891219694693472. Its totient is φ = 209792280821760.

The previous prime is 742847828748167. The next prime is 742847828748253. The reversal of 742847828748246 is 642847828748247.

742847828748246 is a `hidden beast` number, since 7 + 4 + 2 + 8 + 4 + 78 + 28 + 7 + 482 + 46 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1425132406 + ... + 1425653558.

It is an arithmetic number, because the mean of its divisors is an integer number (6566735051019).

Almost surely, 2^{742847828748246} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742847828748246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945609847346736).

742847828748246 is an abundant number, since it is smaller than the sum of its proper divisors (1148371865945226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742847828748246 is a wasteful number, since it uses less digits than its factorization.

742847828748246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521888 (or 521872 counting only the distinct ones).

The product of its digits is 17263755264, while the sum is 81.

Subtracting from 742847828748246 its reverse (642847828748247), we obtain a palindrome (99999999999999).

The spelling of 742847828748246 in words is "seven hundred forty-two trillion, eight hundred forty-seven billion, eight hundred twenty-eight million, seven hundred forty-eight thousand, two hundred forty-six".