975479729 has 8 divisors (see below), whose sum is σ = 1144964928. Its totient is φ = 813527280.

The previous prime is 975479719. The next prime is 975479819. The reversal of 975479729 is 927974579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-975479729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (975479719) 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, 1882907 + ... + 1883424.

It is an arithmetic number, because the mean of its divisors is an integer number (143120616).

Almost surely, 2^975479729 is an apocalyptic number.

It is an amenable number.

975479729 is a deficient number, since it is larger than the sum of its proper divisors (169485199).

975479729 is a wasteful number, since it uses less digits than its factorization.

975479729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766375.

The product of its digits is 10001880, while the sum is 59.

The square root of 975479729 is about 31232.6708592141. The cubic root of 975479729 is about 991.7588462893.

The spelling of 975479729 in words is "nine hundred seventy-five million, four hundred seventy-nine thousand, seven hundred twenty-nine".