70493903 has 2 divisors, whose sum is σ = 70493904. Its totient is φ = 70493902.

The previous prime is 70493893. The next prime is 70493977. The reversal of 70493903 is 30939407.

It is a weak prime.

It is an emirp because it is prime and its reverse (30939407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70493903 - 2⁴ = 70493887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70493993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35246951 + 35246952.

It is an arithmetic number, because the mean of its divisors is an integer number (35246952).

Almost surely, 2^70493903 is an apocalyptic number.

70493903 is a deficient number, since it is larger than the sum of its proper divisors (1).

70493903 is an equidigital number, since it uses as much as digits as its factorization.

70493903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 70493903 is about 8396.0647329567. The cubic root of 70493903 is about 413.0955521164.

The spelling of 70493903 in words is "seventy million, four hundred ninety-three thousand, nine hundred three".