70449079 has 2 divisors, whose sum is σ = 70449080. Its totient is φ = 70449078.

The previous prime is 70449061. The next prime is 70449151. The reversal of 70449079 is 97094407.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70449079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70449779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35224539 + 35224540.

It is an arithmetic number, because the mean of its divisors is an integer number (35224540).

Almost surely, 2^70449079 is an apocalyptic number.

70449079 is a deficient number, since it is larger than the sum of its proper divisors (1).

70449079 is an equidigital number, since it uses as much as digits as its factorization.

70449079 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 40.

The square root of 70449079 is about 8393.3949627073. The cubic root of 70449079 is about 413.0079770673.

The spelling of 70449079 in words is "seventy million, four hundred forty-nine thousand, seventy-nine".