70302512 has 40 divisors (see below), whose sum is σ = 158323200. Its totient is φ = 29616192.

The previous prime is 70302511. The next prime is 70302517. The reversal of 70302512 is 21520307.

It is not an unprimeable number, because it can be changed into a prime (70302511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1289 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (3958080).

Almost surely, 2^70302512 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 70302512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79161600).

70302512 is an abundant number, since it is smaller than the sum of its proper divisors (88020688).

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

70302512 is a wasteful number, since it uses less digits than its factorization.

70302512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10713 (or 10707 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 70302512 is about 8384.6593252201. The cubic root of 70302512 is about 412.7213616904.

Adding to 70302512 its reverse (21520307), we get a palindrome (91822819).

The spelling of 70302512 in words is "seventy million, three hundred two thousand, five hundred twelve".