730887433 has 2 divisors, whose sum is σ = 730887434. Its totient is φ = 730887432.

The previous prime is 730887431. The next prime is 730887449. The reversal of 730887433 is 334788037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 665794809 + 65092624 = 25803^2 + 8068^2 .

It is a cyclic number.

It is not a de Polignac number, because 730887433 - 2¹ = 730887431 is a prime.

Together with 730887431, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 730887433.

It is not a weakly prime, because it can be changed into another prime (730887431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365443716 + 365443717.

It is an arithmetic number, because the mean of its divisors is an integer number (365443717).

Almost surely, 2^730887433 is an apocalyptic number.

It is an amenable number.

730887433 is a deficient number, since it is larger than the sum of its proper divisors (1).

730887433 is an equidigital number, since it uses as much as digits as its factorization.

730887433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 730887433 is about 27034.9298685978. The cubic root of 730887433 is about 900.7760520327.

The spelling of 730887433 in words is "seven hundred thirty million, eight hundred eighty-seven thousand, four hundred thirty-three".