70086828 has 24 divisors (see below), whose sum is σ = 186898432. Its totient is φ = 20024784.

The previous prime is 70086827. The next prime is 70086851. The reversal of 70086828 is 82868007.

It is not an unprimeable number, because it can be changed into a prime (70086827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417100 + ... + 417267.

Almost surely, 2^70086828 is an apocalyptic number.

It is an amenable number.

70086828 is an abundant number, since it is smaller than the sum of its proper divisors (116811604).

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

70086828 is a wasteful number, since it uses less digits than its factorization.

70086828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834381 (or 834379 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 70086828 is about 8371.7876227243. The cubic root of 70086828 is about 412.2988609836.

The spelling of 70086828 in words is "seventy million, eighty-six thousand, eight hundred twenty-eight".