9070728 has 32 divisors (see below), whose sum is σ = 23019360. Its totient is φ = 2977920.

The previous prime is 9070727. The next prime is 9070729. The reversal of 9070728 is 8270709.

It is an interprime number because it is at equal distance from previous prime (9070727) and next prime (9070729).

It is not an unprimeable number, because it can be changed into a prime (9070727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213 + ... + 4428.

It is an arithmetic number, because the mean of its divisors is an integer number (719355).

Almost surely, 2^9070728 is an apocalyptic number.

It is an amenable number.

9070728 is an abundant number, since it is smaller than the sum of its proper divisors (13948632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9070728 is a wasteful number, since it uses less digits than its factorization.

9070728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717 (or 5713 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 9070728 is about 3011.7649310662. The cubic root of 9070728 is about 208.5518506496.

The spelling of 9070728 in words is "nine million, seventy thousand, seven hundred twenty-eight".