70352530 has 8 divisors (see below), whose sum is σ = 126634572. Its totient is φ = 28141008.

The previous prime is 70352519. The next prime is 70352531. The reversal of 70352530 is 3525307.

It can be written as a sum of positive squares in 2 ways, for example, as 70274689 + 77841 = 8383^2 + 279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 70352495 and 70352504.

It is not an unprimeable number, because it can be changed into a prime (70352531) 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 3 ways as a sum of consecutive naturals, for example, 3517617 + ... + 3517636.

Almost surely, 2^70352530 is an apocalyptic number.

70352530 is a deficient number, since it is larger than the sum of its proper divisors (56282042).

70352530 is a wasteful number, since it uses less digits than its factorization.

70352530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035260.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 70352530 is about 8387.6415040225. The cubic root of 70352530 is about 412.8192178584.

Adding to 70352530 its reverse (3525307), we get a palindrome (73877837).

The spelling of 70352530 in words is "seventy million, three hundred fifty-two thousand, five hundred thirty".