70331668 has 12 divisors (see below), whose sum is σ = 134269632. Its totient is φ = 31968920.

The previous prime is 70331663. The next prime is 70331683. The reversal of 70331668 is 86613307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70331663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799180 + ... + 799267.

It is an arithmetic number, because the mean of its divisors is an integer number (11189136).

Almost surely, 2^70331668 is an apocalyptic number.

It is an amenable number.

70331668 is a deficient number, since it is larger than the sum of its proper divisors (63937964).

70331668 is a wasteful number, since it uses less digits than its factorization.

70331668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598462 (or 1598460 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 70331668 is about 8386.3977964320. The cubic root of 70331668 is about 412.7784086843.

The spelling of 70331668 in words is "seventy million, three hundred thirty-one thousand, six hundred sixty-eight".