70000493 has 2 divisors, whose sum is σ = 70000494. Its totient is φ = 70000492.

The previous prime is 70000481. The next prime is 70000549. The reversal of 70000493 is 39400007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68591524 + 1408969 = 8282^2 + 1187^2 .

It is an emirp because it is prime and its reverse (39400007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70000493 - 2¹⁰ = 69999469 is a prime.

It is equal to p_4118090 and since 70000493 and 4118090 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70000433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000246 + 35000247.

It is an arithmetic number, because the mean of its divisors is an integer number (35000247).

Almost surely, 2^70000493 is an apocalyptic number.

It is an amenable number.

70000493 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000493 is an equidigital number, since it uses as much as digits as its factorization.

70000493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 70000493 is about 8366.6297276741. The cubic root of 70000493 is about 412.1294974994.

The spelling of 70000493 in words is "seventy million, four hundred ninety-three", and thus it is an aban number.