70449493 has 2 divisors, whose sum is σ = 70449494. Its totient is φ = 70449492.

The previous prime is 70449469. The next prime is 70449541. The reversal of 70449493 is 39494407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58629649 + 11819844 = 7657^2 + 3438^2 .

It is a cyclic number.

It is not a de Polignac number, because 70449493 - 2⁵ = 70449461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70449413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35224746 + 35224747.

It is an arithmetic number, because the mean of its divisors is an integer number (35224747).

Almost surely, 2^70449493 is an apocalyptic number.

It is an amenable number.

70449493 is a deficient number, since it is larger than the sum of its proper divisors (1).

70449493 is an equidigital number, since it uses as much as digits as its factorization.

70449493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 70449493 is about 8393.4196249205. The cubic root of 70449493 is about 413.0087860912.

The spelling of 70449493 in words is "seventy million, four hundred forty-nine thousand, four hundred ninety-three".