70330280 has 16 divisors (see below), whose sum is σ = 158243220. Its totient is φ = 28132096.

The previous prime is 70330277. The next prime is 70330313. The reversal of 70330280 is 8203307.

It can be written as a sum of positive squares in 2 ways, for example, as 67010596 + 3319684 = 8186^2 + 1822^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 879089 + ... + 879168.

Almost surely, 2^70330280 is an apocalyptic number.

It is an amenable number.

70330280 is an abundant number, since it is smaller than the sum of its proper divisors (87912940).

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

70330280 is a wasteful number, since it uses less digits than its factorization.

70330280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758268 (or 1758264 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 70330280 is about 8386.3150429733. The cubic root of 70330280 is about 412.7756932636.

Adding to 70330280 its reverse (8203307), we get a palindrome (78533587).

The spelling of 70330280 in words is "seventy million, three hundred thirty thousand, two hundred eighty".