70321000 has 32 divisors (see below), whose sum is σ = 164553480. Its totient is φ = 28128000.

The previous prime is 70320967. The next prime is 70321019. The reversal of 70321000 is 12307.

It can be written as a sum of positive squares in 4 ways, for example, as 41139396 + 29181604 = 6414^2 + 5402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34161 + ... + 36160.

Almost surely, 2^70321000 is an apocalyptic number.

It is an amenable number.

70321000 is an abundant number, since it is smaller than the sum of its proper divisors (94232480).

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

70321000 is a wasteful number, since it uses less digits than its factorization.

70321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70342 (or 70328 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 70321000 is about 8385.7617423821. The cubic root of 70321000 is about 412.7575373715.

Adding to 70321000 its reverse (12307), we get a palindrome (70333307).

The spelling of 70321000 in words is "seventy million, three hundred twenty-one thousand".