70078870 has 16 divisors (see below), whose sum is σ = 126260928. Its totient is φ = 28005120.

The previous prime is 70078829. The next prime is 70078889. The reversal of 70078870 is 7887007.

It is a super-2 number, since 2×70078870² = 9822096040953800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10630 + ... + 15910.

It is an arithmetic number, because the mean of its divisors is an integer number (7891308).

Almost surely, 2^70078870 is an apocalyptic number.

70078870 is a deficient number, since it is larger than the sum of its proper divisors (56182058).

70078870 is a wasteful number, since it uses less digits than its factorization.

70078870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615.

The product of its (nonzero) digits is 21952, while the sum is 37.

The square root of 70078870 is about 8371.3123224498. The cubic root of 70078870 is about 412.2832555856.

The spelling of 70078870 in words is "seventy million, seventy-eight thousand, eight hundred seventy".