70947702775 has 24 divisors (see below), whose sum is σ = 90178071984. Its totient is φ = 55338681600.

The previous prime is 70947702769. The next prime is 70947702817. The reversal of 70947702775 is 57720774907.

It is not a de Polignac number, because 70947702775 - 2¹¹ = 70947700727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1656784 + ... + 1699066.

It is an arithmetic number, because the mean of its divisors is an integer number (3757419666).

Almost surely, 2^70947702775 is an apocalyptic number.

70947702775 is a deficient number, since it is larger than the sum of its proper divisors (19230369209).

70947702775 is a wasteful number, since it uses less digits than its factorization.

70947702775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43971 (or 43966 counting only the distinct ones).

The product of its (nonzero) digits is 6050520, while the sum is 55.

The spelling of 70947702775 in words is "seventy billion, nine hundred forty-seven million, seven hundred two thousand, seven hundred seventy-five".