976572749 has 2 divisors, whose sum is σ = 976572750. Its totient is φ = 976572748.

The previous prime is 976572739. The next prime is 976572761. The reversal of 976572749 is 947275679.

976572749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 857435524 + 119137225 = 29282^2 + 10915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-976572749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 976572694 and 976572703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (976572739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488286374 + 488286375.

It is an arithmetic number, because the mean of its divisors is an integer number (488286375).

Almost surely, 2^976572749 is an apocalyptic number.

It is an amenable number.

976572749 is a deficient number, since it is larger than the sum of its proper divisors (1).

976572749 is an equidigital number, since it uses as much as digits as its factorization.

976572749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6667920, while the sum is 56.

The square root of 976572749 is about 31250.1639835698. The cubic root of 976572749 is about 992.1291282463.

The spelling of 976572749 in words is "nine hundred seventy-six million, five hundred seventy-two thousand, seven hundred forty-nine".