9455972730 has 32 divisors (see below), whose sum is σ = 24029296704. Its totient is φ = 2373263616.

The previous prime is 9455972719. The next prime is 9455972731. The reversal of 9455972730 is 372795549.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (9455972731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9270052 + ... + 9271071.

It is an arithmetic number, because the mean of its divisors is an integer number (750915522).

Almost surely, 2^9455972730 is an apocalyptic number.

9455972730 is an abundant number, since it is smaller than the sum of its proper divisors (14573323974).

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

9455972730 is a wasteful number, since it uses less digits than its factorization.

9455972730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541150.

The product of its (nonzero) digits is 2381400, while the sum is 51.

The square root of 9455972730 is about 97241.8260318059. The cubic root of 9455972730 is about 2114.6349397028.

The spelling of 9455972730 in words is "nine billion, four hundred fifty-five million, nine hundred seventy-two thousand, seven hundred thirty".