70573313 has 2 divisors, whose sum is σ = 70573314. Its totient is φ = 70573312.

The previous prime is 70573309. The next prime is 70573331. The reversal of 70573313 is 31337507.

Together with next prime (70573331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57410929 + 13162384 = 7577^2 + 3628^2 .

It is a cyclic number.

It is not a de Polignac number, because 70573313 - 2² = 70573309 is a prime.

It is not a weakly prime, because it can be changed into another prime (70573303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35286656 + 35286657.

It is an arithmetic number, because the mean of its divisors is an integer number (35286657).

Almost surely, 2^70573313 is an apocalyptic number.

It is an amenable number.

70573313 is a deficient number, since it is larger than the sum of its proper divisors (1).

70573313 is an equidigital number, since it uses as much as digits as its factorization.

70573313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 70573313 is about 8400.7924031010. The cubic root of 70573313 is about 413.2506085891.

The spelling of 70573313 in words is "seventy million, five hundred seventy-three thousand, three hundred thirteen".