9161072 has 10 divisors (see below), whose sum is σ = 17749608. Its totient is φ = 4580528.

The previous prime is 9161057. The next prime is 9161083. The reversal of 9161072 is 2701619.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286268 + ... + 286299.

Almost surely, 2^9161072 is an apocalyptic number.

It is an amenable number.

9161072 is a deficient number, since it is larger than the sum of its proper divisors (8588536).

9161072 is a wasteful number, since it uses less digits than its factorization.

9161072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572575 (or 572569 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 9161072 is about 3026.7262842880. The cubic root of 9161072 is about 209.2419532550.

The spelling of 9161072 in words is "nine million, one hundred sixty-one thousand, seventy-two".