70670208 has 128 divisors (see below), whose sum is σ = 218557440. Its totient is φ = 19814400.

The previous prime is 70670203. The next prime is 70670209. The reversal of 70670208 is 80207607.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70670203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163753 + ... + 164183.

It is an arithmetic number, because the mean of its divisors is an integer number (1707480).

Almost surely, 2^70670208 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 70670208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109278720).

70670208 is an abundant number, since it is smaller than the sum of its proper divisors (147887232).

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

70670208 is a wasteful number, since it uses less digits than its factorization.

70670208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 70670208 is about 8406.5574404747. The cubic root of 70670208 is about 413.4396489148.

The spelling of 70670208 in words is "seventy million, six hundred seventy thousand, two hundred eight".