70256828 has 6 divisors (see below), whose sum is σ = 122949456. Its totient is φ = 35128412.

The previous prime is 70256807. The next prime is 70256839. The reversal of 70256828 is 82865207.

It is a junction number, because it is equal to n+sod(n) for n = 70256791 and 70256800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8782100 + ... + 8782107.

It is an arithmetic number, because the mean of its divisors is an integer number (20491576).

Almost surely, 2^70256828 is an apocalyptic number.

It is an amenable number.

70256828 is a deficient number, since it is larger than the sum of its proper divisors (52692628).

70256828 is a wasteful number, since it uses less digits than its factorization.

70256828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564211 (or 17564209 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 70256828 is about 8381.9346215537. The cubic root of 70256828 is about 412.6319440784.

The spelling of 70256828 in words is "seventy million, two hundred fifty-six thousand, eight hundred twenty-eight".