9217450740 has 48 divisors (see below), whose sum is σ = 25814638080. Its totient is φ = 2457436800.

The previous prime is 9217450729. The next prime is 9217450747. The reversal of 9217450740 is 470547129.

It is a super-2 number, since 2×9217450740² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9217450747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302190 + ... + 331290.

It is an arithmetic number, because the mean of its divisors is an integer number (537804960).

Almost surely, 2^9217450740 is an apocalyptic number.

It is an amenable number.

9217450740 is an abundant number, since it is smaller than the sum of its proper divisors (16597187340).

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

9217450740 is a wasteful number, since it uses less digits than its factorization.

9217450740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34392 (or 34390 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 9217450740 is about 96007.5556401682. Note that the first 3 decimals coincide. The cubic root of 9217450740 is about 2096.7031215850.

Adding to 9217450740 its reverse (470547129), we get a palindrome (9687997869).

The spelling of 9217450740 in words is "nine billion, two hundred seventeen million, four hundred fifty thousand, seven hundred forty".