70003438 has 8 divisors (see below), whose sum is σ = 105772032. Its totient is φ = 34746096.

The previous prime is 70003393. The next prime is 70003457. The reversal of 70003438 is 83430007.

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

It is a congruent number.

It is an unprimeable number.

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, 127470 + ... + 128017.

It is an arithmetic number, because the mean of its divisors is an integer number (13221504).

Almost surely, 2^70003438 is an apocalyptic number.

70003438 is a deficient number, since it is larger than the sum of its proper divisors (35768594).

70003438 is a wasteful number, since it uses less digits than its factorization.

70003438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255626.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 70003438 is about 8366.8057226160. The cubic root of 70003438 is about 412.1352770032.

The spelling of 70003438 in words is "seventy million, three thousand, four hundred thirty-eight".