70000308828 has 36 divisors (see below), whose sum is σ = 177262951320. Its totient is φ = 23291538336.

The previous prime is 70000308827. The next prime is 70000308841. The reversal of 70000308828 is 82880300007.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70000308792 and 70000308801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70000308821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1725418 + ... + 1765521.

It is an arithmetic number, because the mean of its divisors is an integer number (4923970870).

Almost surely, 2^70000308828 is an apocalyptic number.

It is an amenable number.

70000308828 is an abundant number, since it is smaller than the sum of its proper divisors (107262642492).

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

70000308828 is a wasteful number, since it uses less digits than its factorization.

70000308828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491506 (or 3491501 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 70000308828 in words is "seventy billion, three hundred eight thousand, eight hundred twenty-eight".