70850870 has 16 divisors (see below), whose sum is σ = 130642848. Its totient is φ = 27648960.

The previous prime is 70850863. The next prime is 70850921. The reversal of 70850870 is 7805807.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70850870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85994 + ... + 86813.

It is an arithmetic number, because the mean of its divisors is an integer number (8165178).

Almost surely, 2^70850870 is an apocalyptic number.

70850870 is a deficient number, since it is larger than the sum of its proper divisors (59791978).

70850870 is a wasteful number, since it uses less digits than its factorization.

70850870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172855.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 70850870 is about 8417.2958840711. The cubic root of 70850870 is about 413.7916561595.

The spelling of 70850870 in words is "seventy million, eight hundred fifty thousand, eight hundred seventy".