9770660732 has 24 divisors (see below), whose sum is σ = 19776763776. Its totient is φ = 4136974128.

The previous prime is 9770660729. The next prime is 9770660737. The reversal of 9770660732 is 2370660779.

It is a happy number.

It is a super-2 number, since 2×9770660732² (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 (9770660737) 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, 2099798 + ... + 2104445.

It is an arithmetic number, because the mean of its divisors is an integer number (824031824).

Almost surely, 2^9770660732 is an apocalyptic number.

It is an amenable number.

9770660732 is an abundant number, since it is smaller than the sum of its proper divisors (10006103044).

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

9770660732 is a wasteful number, since it uses less digits than its factorization.

9770660732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204337 (or 4204335 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 47.

The square root of 9770660732 is about 98846.6526089781. The cubic root of 9770660732 is about 2137.8372720513.

Adding to 9770660732 its sum of digits (47), we get a palindrome (9770660779).

The spelling of 9770660732 in words is "nine billion, seven hundred seventy million, six hundred sixty thousand, seven hundred thirty-two".