70280642028 has 12 divisors (see below), whose sum is σ = 163988164760. Its totient is φ = 23426880672.

The previous prime is 70280641993. The next prime is 70280642039. The reversal of 70280642028 is 82024608207.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2928360073 + ... + 2928360096.

Almost surely, 2^70280642028 is an apocalyptic number.

It is an amenable number.

70280642028 is an abundant number, since it is smaller than the sum of its proper divisors (93707522732).

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

70280642028 is a wasteful number, since it uses less digits than its factorization.

70280642028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856720176 (or 5856720174 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 70280642028 in words is "seventy billion, two hundred eighty million, six hundred forty-two thousand, twenty-eight".