70043434 has 8 divisors (see below), whose sum is σ = 111245508. Its totient is φ = 32961600.

The previous prime is 70043429. The next prime is 70043447. The reversal of 70043434 is 43434007.

It can be written as a sum of positive squares in 2 ways, for example, as 65853225 + 4190209 = 8115^2 + 2047^2 .

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 = 70043399 and 70043408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030017 + ... + 1030084.

Almost surely, 2^70043434 is an apocalyptic number.

70043434 is a deficient number, since it is larger than the sum of its proper divisors (41202074).

70043434 is a wasteful number, since it uses less digits than its factorization.

70043434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060120.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 70043434 is about 8369.1955407912. The cubic root of 70043434 is about 412.2137523120.

The spelling of 70043434 in words is "seventy million, forty-three thousand, four hundred thirty-four".