70865975 has 6 divisors (see below), whose sum is σ = 87873840. Its totient is φ = 56692760.

The previous prime is 70865941. The next prime is 70865987. The reversal of 70865975 is 57956807.

It is a happy number.

It is not a de Polignac number, because 70865975 - 2²⁶ = 3757111 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1417295 + ... + 1417344.

It is an arithmetic number, because the mean of its divisors is an integer number (14645640).

Almost surely, 2^70865975 is an apocalyptic number.

70865975 is a deficient number, since it is larger than the sum of its proper divisors (17007865).

70865975 is a wasteful number, since it uses less digits than its factorization.

70865975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834649 (or 2834644 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 70865975 is about 8418.1930959084. The cubic root of 70865975 is about 413.8210600744.

The spelling of 70865975 in words is "seventy million, eight hundred sixty-five thousand, nine hundred seventy-five".