730724149 has 2 divisors, whose sum is σ = 730724150. Its totient is φ = 730724148.

The previous prime is 730724131. The next prime is 730724179. The reversal of 730724149 is 941427037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 716900625 + 13823524 = 26775^2 + 3718^2 .

It is a cyclic number.

It is not a de Polignac number, because 730724149 - 2²⁹ = 193853237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730724179) 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 as a sum of consecutive naturals, namely, 365362074 + 365362075.

It is an arithmetic number, because the mean of its divisors is an integer number (365362075).

Almost surely, 2^730724149 is an apocalyptic number.

It is an amenable number.

730724149 is a deficient number, since it is larger than the sum of its proper divisors (1).

730724149 is an equidigital number, since it uses as much as digits as its factorization.

730724149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 730724149 is about 27031.9098289411. The cubic root of 730724149 is about 900.7089677072.

The spelling of 730724149 in words is "seven hundred thirty million, seven hundred twenty-four thousand, one hundred forty-nine".