70603 has 4 divisors (see below), whose sum is σ = 76048. Its totient is φ = 65160.

The previous prime is 70589. The next prime is 70607. The reversal of 70603 is 30607.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30607 = 127 ⋅241.

It is a cyclic number.

It is not a de Polignac number, because 70603 - 2⁵ = 70571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70607) 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, 2703 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (19012).

2⁷⁰⁶⁰³ is an apocalyptic number.

70603 is a deficient number, since it is larger than the sum of its proper divisors (5445).

70603 is a wasteful number, since it uses less digits than its factorization.

70603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 70603 is about 265.7122503762. The cubic root of 70603 is about 41.3308545744.

The spelling of 70603 in words is "seventy thousand, six hundred three".