8661070 has 16 divisors (see below), whose sum is σ = 17007408. Its totient is φ = 3149440.

The previous prime is 8661061. The next prime is 8661089. The reversal of 8661070 is 701668.

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, 39259 + ... + 39478.

It is an arithmetic number, because the mean of its divisors is an integer number (1062963).

Almost surely, 2^8661070 is an apocalyptic number.

8661070 is a deficient number, since it is larger than the sum of its proper divisors (8346338).

8661070 is a wasteful number, since it uses less digits than its factorization.

8661070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78755.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 8661070 is about 2942.9695886978. The cubic root of 8661070 is about 205.3637800141.

It can be divided in two parts, 866 and 1070, that added together give a square (1936 = 44²).

The spelling of 8661070 in words is "eight million, six hundred sixty-one thousand, seventy".