70268688 has 160 divisors (see below), whose sum is σ = 242841600. Its totient is φ = 19004544.

The previous prime is 70268663. The next prime is 70268717. The reversal of 70268688 is 88686207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56845 + ... + 58067.

It is an arithmetic number, because the mean of its divisors is an integer number (1517760).

Almost surely, 2^70268688 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 70268688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121420800).

70268688 is an abundant number, since it is smaller than the sum of its proper divisors (172572912).

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

70268688 is a wasteful number, since it uses less digits than its factorization.

70268688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 70268688 is about 8382.6420656020. The cubic root of 70268688 is about 412.6551614636.

It can be divided in two parts, 70268 and 688, that multiplied together give a palindrome (48344384).

The spelling of 70268688 in words is "seventy million, two hundred sixty-eight thousand, six hundred eighty-eight".