70513030 has 64 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 23212800.

The previous prime is 70513013. The next prime is 70513031. The reversal of 70513030 is 3031507.

It is a junction number, because it is equal to n+sod(n) for n = 70512989 and 70513007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70513031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226575 + ... + 226885.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 2^70513030 is an apocalyptic number.

70513030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70513030 is an abundant number, since it is smaller than the sum of its proper divisors (80445050).

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

70513030 is a wasteful number, since it uses less digits than its factorization.

70513030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 70513030 is about 8397.2037012329. The cubic root of 70513030 is about 413.1329102603.

Adding to 70513030 its reverse (3031507), we get a palindrome (73544537).

The spelling of 70513030 in words is "seventy million, five hundred thirteen thousand, thirty".