70449151 has 2 divisors, whose sum is σ = 70449152. Its totient is φ = 70449150.

The previous prime is 70449079. The next prime is 70449157. The reversal of 70449151 is 15194407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70449151 - 2¹⁹ = 69924863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70449157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35224575 + 35224576.

It is an arithmetic number, because the mean of its divisors is an integer number (35224576).

Almost surely, 2^70449151 is an apocalyptic number.

70449151 is a deficient number, since it is larger than the sum of its proper divisors (1).

70449151 is an equidigital number, since it uses as much as digits as its factorization.

70449151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 70449151 is about 8393.3992517930. The cubic root of 70449151 is about 413.0081177673.

The spelling of 70449151 in words is "seventy million, four hundred forty-nine thousand, one hundred fifty-one".