70321608 has 160 divisors (see below), whose sum is σ = 231739200. Its totient is φ = 19502208.

The previous prime is 70321597. The next prime is 70321621. The reversal of 70321608 is 80612307.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 167623 + ... + 168041.

It is an arithmetic number, because the mean of its divisors is an integer number (1448370).

Almost surely, 2^70321608 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 70321608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115869600).

70321608 is an abundant number, since it is smaller than the sum of its proper divisors (161417592).

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

70321608 is a wasteful number, since it uses less digits than its factorization.

70321608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70321608 is about 8385.7979942281. The cubic root of 70321608 is about 412.7587269444.

The spelling of 70321608 in words is "seventy million, three hundred twenty-one thousand, six hundred eight".