70016128 has 64 divisors (see below), whose sum is σ = 171702720. Its totient is φ = 27694080.

The previous prime is 70016119. The next prime is 70016147. The reversal of 70016128 is 82161007.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×70016128² = 9804516360224768, which contains 22 as substring.

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, 8643 + ... + 14653.

It is an arithmetic number, because the mean of its divisors is an integer number (2682855).

Almost surely, 2^70016128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70016128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85851360).

70016128 is an abundant number, since it is smaller than the sum of its proper divisors (101686592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70016128 is a wasteful number, since it uses less digits than its factorization.

70016128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045 (or 6033 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 70016128 is about 8367.5640421810. The cubic root of 70016128 is about 412.1601790214.

It can be divided in two parts, 700 and 16128, that multiplied together give a square (11289600 = 3360²).

The spelling of 70016128 in words is "seventy million, sixteen thousand, one hundred twenty-eight".