70870071772 has 12 divisors (see below), whose sum is σ = 126906873016. Its totient is φ = 34610965200.

The previous prime is 70870071761. The next prime is 70870071793. The reversal of 70870071772 is 27717007807.

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 3 ways as a sum of consecutive naturals, for example, 206017479 + ... + 206017822.

Almost surely, 2^70870071772 is an apocalyptic number.

It is an amenable number.

70870071772 is a deficient number, since it is larger than the sum of its proper divisors (56036801244).

70870071772 is a wasteful number, since it uses less digits than its factorization.

70870071772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412035348 (or 412035346 counting only the distinct ones).

The product of its (nonzero) digits is 268912, while the sum is 46.

The spelling of 70870071772 in words is "seventy billion, eight hundred seventy million, seventy-one thousand, seven hundred seventy-two".