70691780352 has 72 divisors (see below), whose sum is σ = 189297816064. Its totient is φ = 23419321344.

The previous prime is 70691780339. The next prime is 70691780407. The reversal of 70691780352 is 25308719607.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157168 + ... + 407535.

Almost surely, 2^70691780352 is an apocalyptic number.

It is an amenable number.

70691780352 is an abundant number, since it is smaller than the sum of its proper divisors (118606035712).

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

70691780352 is a wasteful number, since it uses less digits than its factorization.

70691780352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564885 (or 564871 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 70691780352 in words is "seventy billion, six hundred ninety-one million, seven hundred eighty thousand, three hundred fifty-two".