70870903 has 2 divisors, whose sum is σ = 70870904. Its totient is φ = 70870902.

The previous prime is 70870879. The next prime is 70870907. The reversal of 70870903 is 30907807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70870903 - 2⁵ = 70870871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70870907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35435451 + 35435452.

It is an arithmetic number, because the mean of its divisors is an integer number (35435452).

Almost surely, 2^70870903 is an apocalyptic number.

70870903 is a deficient number, since it is larger than the sum of its proper divisors (1).

70870903 is an equidigital number, since it uses as much as digits as its factorization.

70870903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 70870903 is about 8418.4857902119. The cubic root of 70870903 is about 413.8306521855.

The spelling of 70870903 in words is "seventy million, eight hundred seventy thousand, nine hundred three".