730576849 has 2 divisors, whose sum is σ = 730576850. Its totient is φ = 730576848.

The previous prime is 730576843. The next prime is 730576871. The reversal of 730576849 is 948675037.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 632170449 + 98406400 = 25143^2 + 9920^2 .

It is a cyclic number.

It is not a de Polignac number, because 730576849 - 2³ = 730576841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (730576841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365288424 + 365288425.

It is an arithmetic number, because the mean of its divisors is an integer number (365288425).

Almost surely, 2^730576849 is an apocalyptic number.

It is an amenable number.

730576849 is a deficient number, since it is larger than the sum of its proper divisors (1).

730576849 is an equidigital number, since it uses as much as digits as its factorization.

730576849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 730576849 is about 27029.1851338511. The cubic root of 730576849 is about 900.6484417450.

The spelling of 730576849 in words is "seven hundred thirty million, five hundred seventy-six thousand, eight hundred forty-nine".