970772729 has 2 divisors, whose sum is σ = 970772730. Its totient is φ = 970772728.

The previous prime is 970772701. The next prime is 970772783. The reversal of 970772729 is 927277079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968641129 + 2131600 = 31123^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 970772729 - 2¹⁶ = 970707193 is a prime.

It is not a weakly prime, because it can be changed into another prime (970772329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485386364 + 485386365.

It is an arithmetic number, because the mean of its divisors is an integer number (485386365).

Almost surely, 2^970772729 is an apocalyptic number.

It is an amenable number.

970772729 is a deficient number, since it is larger than the sum of its proper divisors (1).

970772729 is an equidigital number, since it uses as much as digits as its factorization.

970772729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777924, while the sum is 50.

The square root of 970772729 is about 31157.2259516151. The cubic root of 970772729 is about 990.1610896591.

The spelling of 970772729 in words is "nine hundred seventy million, seven hundred seventy-two thousand, seven hundred twenty-nine".