70903 has 6 divisors (see below), whose sum is σ = 82536. Its totient is φ = 60732.

The previous prime is 70901. The next prime is 70913. The reversal of 70903 is 30907.

It is a happy number.

It is not a de Polignac number, because 70903 - 2¹ = 70901 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (13756).

2⁷⁰⁹⁰³ is an apocalyptic number.

70903 is a deficient number, since it is larger than the sum of its proper divisors (11633).

70903 is a wasteful number, since it uses less digits than its factorization.

70903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 70903 is about 266.2761724225. The cubic root of 70903 is about 41.3893116550.

The spelling of 70903 in words is "seventy thousand, nine hundred three".