70188868 has 12 divisors (see below), whose sum is σ = 123541740. Its totient is φ = 34891232.

The previous prime is 70188851. The next prime is 70188901. The reversal of 70188868 is 86888107.

It can be written as a sum of positive squares in 2 ways, for example, as 60341824 + 9847044 = 7768^2 + 3138^2 .

It is a super-2 number, since 2×70188868² = 9852954382242848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50023 + ... + 51406.

It is an arithmetic number, because the mean of its divisors is an integer number (10295145).

Almost surely, 2^70188868 is an apocalyptic number.

It is an amenable number.

70188868 is a deficient number, since it is larger than the sum of its proper divisors (53352872).

70188868 is a wasteful number, since it uses less digits than its factorization.

70188868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101606 (or 101604 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 46.

The square root of 70188868 is about 8377.8796840251. The cubic root of 70188868 is about 412.4988537464.

The spelling of 70188868 in words is "seventy million, one hundred eighty-eight thousand, eight hundred sixty-eight".