70759121 has 2 divisors, whose sum is σ = 70759122. Its totient is φ = 70759120.

The previous prime is 70759093. The next prime is 70759141. The reversal of 70759121 is 12195707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50410000 + 20349121 = 7100^2 + 4511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70759121 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (70759141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35379560 + 35379561.

It is an arithmetic number, because the mean of its divisors is an integer number (35379561).

Almost surely, 2^70759121 is an apocalyptic number.

It is an amenable number.

70759121 is a deficient number, since it is larger than the sum of its proper divisors (1).

70759121 is an equidigital number, since it uses as much as digits as its factorization.

70759121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 70759121 is about 8411.8440903288. The cubic root of 70759121 is about 413.6129645398.

The spelling of 70759121 in words is "seventy million, seven hundred fifty-nine thousand, one hundred twenty-one".