70127998 has 8 divisors (see below), whose sum is σ = 105721200. Its totient is φ = 34887600.

The previous prime is 70127947. The next prime is 70128011. The reversal of 70127998 is 89972107.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×70127998² = 9835872206976008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87703 + ... + 88498.

It is an arithmetic number, because the mean of its divisors is an integer number (13215150).

Almost surely, 2^70127998 is an apocalyptic number.

70127998 is a deficient number, since it is larger than the sum of its proper divisors (35593202).

70127998 is a wasteful number, since it uses less digits than its factorization.

70127998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176402.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 70127998 is about 8374.2461153229. The cubic root of 70127998 is about 412.3795752539.

The spelling of 70127998 in words is "seventy million, one hundred twenty-seven thousand, nine hundred ninety-eight".