70137049 has 2 divisors, whose sum is σ = 70137050. Its totient is φ = 70137048.

The previous prime is 70137047. The next prime is 70137071. The reversal of 70137049 is 94073107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47403225 + 22733824 = 6885^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 70137049 - 2¹ = 70137047 is a prime.

Together with 70137047, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70137049.

It is not a weakly prime, because it can be changed into another prime (70137047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35068524 + 35068525.

It is an arithmetic number, because the mean of its divisors is an integer number (35068525).

Almost surely, 2^70137049 is an apocalyptic number.

It is an amenable number.

70137049 is a deficient number, since it is larger than the sum of its proper divisors (1).

70137049 is an equidigital number, since it uses as much as digits as its factorization.

70137049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 70137049 is about 8374.7865047415. The cubic root of 70137049 is about 412.3973156100.

The spelling of 70137049 in words is "seventy million, one hundred thirty-seven thousand, forty-nine".