70043003 has 4 divisors (see below), whose sum is σ = 70112760. Its totient is φ = 69973248.

The previous prime is 70042997. The next prime is 70043023. The reversal of 70043003 is 30034007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70043003 - 2¹² = 70038907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70043023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33350 + ... + 35387.

It is an arithmetic number, because the mean of its divisors is an integer number (17528190).

Almost surely, 2^70043003 is an apocalyptic number.

70043003 is a deficient number, since it is larger than the sum of its proper divisors (69757).

70043003 is a wasteful number, since it uses less digits than its factorization.

70043003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69756.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 70043003 is about 8369.1697915624. The cubic root of 70043003 is about 412.2129068152.

It can be divided in two parts, 7004 and 3003, that multiplied together give a palindrome (21033012).

The spelling of 70043003 in words is "seventy million, forty-three thousand, three".