70755049 has 2 divisors, whose sum is σ = 70755050. Its totient is φ = 70755048.

The previous prime is 70755043. The next prime is 70755067. The reversal of 70755049 is 94055707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 26625600 = 6643^2 + 5160^2 .

It is an emirp because it is prime and its reverse (94055707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70755049 - 2⁵ = 70755017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70754999 and 70755017.

It is not a weakly prime, because it can be changed into another prime (70755043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35377524 + 35377525.

It is an arithmetic number, because the mean of its divisors is an integer number (35377525).

Almost surely, 2^70755049 is an apocalyptic number.

It is an amenable number.

70755049 is a deficient number, since it is larger than the sum of its proper divisors (1).

70755049 is an equidigital number, since it uses as much as digits as its factorization.

70755049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 70755049 is about 8411.6020471727. The cubic root of 70755049 is about 413.6050302774.

The spelling of 70755049 in words is "seventy million, seven hundred fifty-five thousand, forty-nine".