70505005 has 16 divisors (see below), whose sum is σ = 91137024. Its totient is φ = 52208640.

The previous prime is 70504997. The next prime is 70505009. The reversal of 70505005 is 50050507.

It is not a de Polignac number, because 70505005 - 2³ = 70504997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70505009) 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 15 ways as a sum of consecutive naturals, for example, 6324 + ... + 13453.

It is an arithmetic number, because the mean of its divisors is an integer number (5696064).

Almost surely, 2^70505005 is an apocalyptic number.

It is an amenable number.

70505005 is a deficient number, since it is larger than the sum of its proper divisors (20632019).

70505005 is a wasteful number, since it uses less digits than its factorization.

70505005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19836.

The product of its (nonzero) digits is 875, while the sum is 22.

The square root of 70505005 is about 8396.7258499965. The cubic root of 70505005 is about 413.1172369519.

The spelling of 70505005 in words is "seventy million, five hundred five thousand, five".