70475834772 has 36 divisors (see below), whose sum is σ = 203596856736. Its totient is φ = 20135952720.

The previous prime is 70475834747. The next prime is 70475834783. The reversal of 70475834772 is 27743857407.

70475834772 is a `hidden beast` number, since 70 + 475 + 8 + 34 + 7 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139832754 + ... + 139833257.

Almost surely, 2^70475834772 is an apocalyptic number.

It is an amenable number.

70475834772 is an abundant number, since it is smaller than the sum of its proper divisors (133121021964).

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

70475834772 is a wasteful number, since it uses less digits than its factorization.

70475834772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279666028 (or 279666023 counting only the distinct ones).

The product of its (nonzero) digits is 9219840, while the sum is 54.

The spelling of 70475834772 in words is "seventy billion, four hundred seventy-five million, eight hundred thirty-four thousand, seven hundred seventy-two".