8690722 has 4 divisors (see below), whose sum is σ = 13036086. Its totient is φ = 4345360.

The previous prime is 8690713. The next prime is 8690741. The reversal of 8690722 is 2270968.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5659641 + 3031081 = 2379^2 + 1741^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172679 + ... + 2172682.

Almost surely, 2^8690722 is an apocalyptic number.

8690722 is a deficient number, since it is larger than the sum of its proper divisors (4345364).

8690722 is a wasteful number, since it uses less digits than its factorization.

8690722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345363.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 8690722 is about 2948.0030529157. The cubic root of 8690722 is about 205.5978739049.

The spelling of 8690722 in words is "eight million, six hundred ninety thousand, seven hundred twenty-two".