70842028 has 6 divisors (see below), whose sum is σ = 123973556. Its totient is φ = 35421012.

The previous prime is 70842007. The next prime is 70842053. The reversal of 70842028 is 82024807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8855250 + ... + 8855257.

Almost surely, 2^70842028 is an apocalyptic number.

It is an amenable number.

70842028 is a deficient number, since it is larger than the sum of its proper divisors (53131528).

70842028 is a wasteful number, since it uses less digits than its factorization.

70842028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17710511 (or 17710509 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 70842028 is about 8416.7706396218. The cubic root of 70842028 is about 413.7744420776.

The spelling of 70842028 in words is "seventy million, eight hundred forty-two thousand, twenty-eight".