70663523742 has 192 divisors, whose sum is σ = 189436875264. Its totient is φ = 19319783040.

The previous prime is 70663523741. The next prime is 70663523759. The reversal of 70663523742 is 24732536607.

70663523742 is a `hidden beast` number, since 7 + 0 + 6 + 635 + 2 + 3 + 7 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70663523741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7673713 + ... + 7682915.

It is an arithmetic number, because the mean of its divisors is an integer number (986650392).

Almost surely, 2^70663523742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70663523742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94718437632).

70663523742 is an abundant number, since it is smaller than the sum of its proper divisors (118773351522).

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

70663523742 is a wasteful number, since it uses less digits than its factorization.

70663523742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9325 (or 9313 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 70663523742 in words is "seventy billion, six hundred sixty-three million, five hundred twenty-three thousand, seven hundred forty-two".