70331751648 has 72 divisors (see below), whose sum is σ = 200212694136. Its totient is φ = 23419680000.

The previous prime is 70331751643. The next prime is 70331751649. The reversal of 70331751648 is 84615713307.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70331751643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153898 + ... + 405398.

It is an arithmetic number, because the mean of its divisors is an integer number (2780731863).

Almost surely, 2^70331751648 is an apocalyptic number.

It is an amenable number.

70331751648 is an abundant number, since it is smaller than the sum of its proper divisors (129880942488).

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

70331751648 is a wasteful number, since it uses less digits than its factorization.

70331751648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252488 (or 252477 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 70331751648 in words is "seventy billion, three hundred thirty-one million, seven hundred fifty-one thousand, six hundred forty-eight".