70487903 has 2 divisors, whose sum is σ = 70487904. Its totient is φ = 70487902.

The previous prime is 70487881. The next prime is 70487917. The reversal of 70487903 is 30978407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70487903 - 2¹² = 70483807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70487983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35243951 + 35243952.

It is an arithmetic number, because the mean of its divisors is an integer number (35243952).

Almost surely, 2^70487903 is an apocalyptic number.

70487903 is a deficient number, since it is larger than the sum of its proper divisors (1).

70487903 is an equidigital number, since it uses as much as digits as its factorization.

70487903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 70487903 is about 8395.7074151021. The cubic root of 70487903 is about 413.0838317475.

The spelling of 70487903 in words is "seventy million, four hundred eighty-seven thousand, nine hundred three".