70043860 has 24 divisors (see below), whose sum is σ = 149506056. Its totient is φ = 27557760.

The previous prime is 70043833. The next prime is 70043881. The reversal of 70043860 is 6834007.

It can be written as a sum of positive squares in 4 ways, for example, as 3392964 + 66650896 = 1842^2 + 8164^2 .

It is a super-2 number, since 2×70043860² = 9812284647399200, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 27487 + ... + 29926.

It is an arithmetic number, because the mean of its divisors is an integer number (6229419).

Almost surely, 2^70043860 is an apocalyptic number.

It is an amenable number.

70043860 is an abundant number, since it is smaller than the sum of its proper divisors (79462196).

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

70043860 is a wasteful number, since it uses less digits than its factorization.

70043860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57483 (or 57481 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 70043860 is about 8369.2209912273. The cubic root of 70043860 is about 412.2145879968.

Adding to 70043860 its reverse (6834007), we get a palindrome (76877867).

The spelling of 70043860 in words is "seventy million, forty-three thousand, eight hundred sixty".