70020003 has 4 divisors (see below), whose sum is σ = 93360008. Its totient is φ = 46680000.

The previous prime is 70020001. The next prime is 70020011. The reversal of 70020003 is 30002007.

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

It is not a de Polignac number, because 70020003 - 2¹ = 70020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70020001) by changing a digit.

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, 11669998 + ... + 11670003.

It is an arithmetic number, because the mean of its divisors is an integer number (23340002).

Almost surely, 2^70020003 is an apocalyptic number.

70020003 is a deficient number, since it is larger than the sum of its proper divisors (23340005).

70020003 is a wasteful number, since it uses less digits than its factorization.

70020003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23340004.

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 70020003 is about 8367.7955878475. The cubic root of 70020003 is about 412.1677824659.

The spelling of 70020003 in words is "seventy million, twenty thousand, three".