70743493 has 2 divisors, whose sum is σ = 70743494. Its totient is φ = 70743492.

The previous prime is 70743487. The next prime is 70743521. The reversal of 70743493 is 39434707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51365889 + 19377604 = 7167^2 + 4402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70743493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70743433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35371746 + 35371747.

It is an arithmetic number, because the mean of its divisors is an integer number (35371747).

Almost surely, 2^70743493 is an apocalyptic number.

It is an amenable number.

70743493 is a deficient number, since it is larger than the sum of its proper divisors (1).

70743493 is an equidigital number, since it uses as much as digits as its factorization.

70743493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 70743493 is about 8410.9151107356. The cubic root of 70743493 is about 413.5825118375.

The spelling of 70743493 in words is "seventy million, seven hundred forty-three thousand, four hundred ninety-three".