70655573 has 2 divisors, whose sum is σ = 70655574. Its totient is φ = 70655572.

The previous prime is 70655569. The next prime is 70655597. The reversal of 70655573 is 37555607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66961489 + 3694084 = 8183^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 70655573 - 2² = 70655569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70655503) 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, 35327786 + 35327787.

It is an arithmetic number, because the mean of its divisors is an integer number (35327787).

Almost surely, 2^70655573 is an apocalyptic number.

It is an amenable number.

70655573 is a deficient number, since it is larger than the sum of its proper divisors (1).

70655573 is an equidigital number, since it uses as much as digits as its factorization.

70655573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 70655573 is about 8405.6869439684. The cubic root of 70655573 is about 413.4111073877.

The spelling of 70655573 in words is "seventy million, six hundred fifty-five thousand, five hundred seventy-three".