70888049 has 2 divisors, whose sum is σ = 70888050. Its totient is φ = 70888048.

The previous prime is 70888021. The next prime is 70888061. The reversal of 70888049 is 94088807.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66308449 + 4579600 = 8143^2 + 2140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70888049 is a prime.

It is not a weakly prime, because it can be changed into another prime (70888009) 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, 35444024 + 35444025.

It is an arithmetic number, because the mean of its divisors is an integer number (35444025).

Almost surely, 2^70888049 is an apocalyptic number.

It is an amenable number.

70888049 is a deficient number, since it is larger than the sum of its proper divisors (1).

70888049 is an equidigital number, since it uses as much as digits as its factorization.

70888049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 70888049 is about 8419.5040827830. The cubic root of 70888049 is about 413.8640225717.

The spelling of 70888049 in words is "seventy million, eight hundred eighty-eight thousand, forty-nine".