70912128 has 256 divisors, whose sum is σ = 238141440. Its totient is φ = 18247680.

The previous prime is 70912099. The next prime is 70912169. The reversal of 70912128 is 82121907.

It is a junction number, because it is equal to n+sod(n) for n = 70912095 and 70912104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1916526 + ... + 1916562.

It is an arithmetic number, because the mean of its divisors is an integer number (930240).

Almost surely, 2^70912128 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 70912128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119070720).

70912128 is an abundant number, since it is smaller than the sum of its proper divisors (167229312).

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

70912128 is a wasteful number, since it uses less digits than its factorization.

70912128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 70912128 is about 8420.9339149527. The cubic root of 70912128 is about 413.9108772194.

The spelling of 70912128 in words is "seventy million, nine hundred twelve thousand, one hundred twenty-eight".