70439002 has 8 divisors (see below), whose sum is σ = 106593876. Its totient is φ = 34907712.

The previous prime is 70438993. The next prime is 70439069. The reversal of 70439002 is 20093407.

It can be written as a sum of positive squares in 2 ways, for example, as 70207641 + 231361 = 8379^2 + 481^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 155613 + ... + 156064.

Almost surely, 2^70439002 is an apocalyptic number.

70439002 is a deficient number, since it is larger than the sum of its proper divisors (36154874).

70439002 is a wasteful number, since it uses less digits than its factorization.

70439002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311792.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 70439002 is about 8392.7946477916. The cubic root of 70439002 is about 412.9882839788.

Subtracting from 70439002 its reverse (20093407), we obtain a triangular number (50345595 = T₁₀₀₃₄).

The spelling of 70439002 in words is "seventy million, four hundred thirty-nine thousand, two".