70506903 has 8 divisors (see below), whose sum is σ = 94342528. Its totient is φ = 46837944.

The previous prime is 70506889. The next prime is 70506959. The reversal of 70506903 is 30960507.

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

It is not a de Polignac number, because 70506903 - 2⁹ = 70506391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70506503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40675 + ... + 42372.

It is an arithmetic number, because the mean of its divisors is an integer number (11792816).

Almost surely, 2^70506903 is an apocalyptic number.

70506903 is a deficient number, since it is larger than the sum of its proper divisors (23835625).

70506903 is a wasteful number, since it uses less digits than its factorization.

70506903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83333.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 70506903 is about 8396.8388694794. The cubic root of 70506903 is about 413.1209439676.

The spelling of 70506903 in words is "seventy million, five hundred six thousand, nine hundred three".