70055505 has 48 divisors (see below), whose sum is σ = 135023616. Its totient is φ = 33367680.

The previous prime is 70055501. The next prime is 70055509. The reversal of 70055505 is 50555007.

It is an interprime number because it is at equal distance from previous prime (70055501) and next prime (70055509).

It is not a de Polignac number, because 70055505 - 2² = 70055501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70055501) 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 in 47 ways as a sum of consecutive naturals, for example, 16204 + ... + 20066.

It is an arithmetic number, because the mean of its divisors is an integer number (2812992).

Almost surely, 2^70055505 is an apocalyptic number.

It is an amenable number.

70055505 is a deficient number, since it is larger than the sum of its proper divisors (64968111).

70055505 is a wasteful number, since it uses less digits than its factorization.

70055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918 (or 3915 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 27.

The square root of 70055505 is about 8369.9166662518. The cubic root of 70055505 is about 412.2374306979.

The spelling of 70055505 in words is "seventy million, fifty-five thousand, five hundred five".