70871207 has 16 divisors (see below), whose sum is σ = 78876672. Its totient is φ = 63141120.

The previous prime is 70871201. The next prime is 70871219. The reversal of 70871207 is 70217807.

It is a cyclic number.

It is not a de Polignac number, because 70871207 - 2¹⁰ = 70870183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70871201) 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, 135248 + ... + 135770.

It is an arithmetic number, because the mean of its divisors is an integer number (4929792).

Almost surely, 2^70871207 is an apocalyptic number.

70871207 is a deficient number, since it is larger than the sum of its proper divisors (8005465).

70871207 is a wasteful number, since it uses less digits than its factorization.

70871207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 5488, while the sum is 32.

The square root of 70871207 is about 8418.5038456961. The cubic root of 70871207 is about 413.8312438920.

The spelling of 70871207 in words is "seventy million, eight hundred seventy-one thousand, two hundred seven".