9025424728 has 16 divisors (see below), whose sum is σ = 16950559680. Its totient is φ = 4505275488.

The previous prime is 9025424719. The next prime is 9025424743. The reversal of 9025424728 is 8274245209.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924451 + ... + 934162.

It is an arithmetic number, because the mean of its divisors is an integer number (1059409980).

Almost surely, 2^9025424728 is an apocalyptic number.

It is an amenable number.

9025424728 is a deficient number, since it is larger than the sum of its proper divisors (7925134952).

9025424728 is a wasteful number, since it uses less digits than its factorization.

9025424728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859226 (or 1859222 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 9025424728 is about 95002.2353842266. The cubic root of 9025424728 is about 2082.0407061403.

The spelling of 9025424728 in words is "nine billion, twenty-five million, four hundred twenty-four thousand, seven hundred twenty-eight".