730825443 has 64 divisors (see below), whose sum is σ = 1183168000. Its totient is φ = 444258432.

The previous prime is 730825429. The next prime is 730825453. The reversal of 730825443 is 344528037.

It is a happy number.

730825443 is a `hidden beast` number, since 7 + 30 + 82 + 544 + 3 = 666.

It is not a de Polignac number, because 730825443 - 2⁶ = 730825379 is a prime.

It is a super-2 number, since 2×730825443² = 1068211656272292498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 730825398 and 730825407.

It is not an unprimeable number, because it can be changed into a prime (730825453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2638221 + ... + 2638497.

It is an arithmetic number, because the mean of its divisors is an integer number (18487000).

Almost surely, 2^730825443 is an apocalyptic number.

730825443 is a deficient number, since it is larger than the sum of its proper divisors (452342557).

730825443 is a wasteful number, since it uses less digits than its factorization.

730825443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 730825443 is about 27033.7833645237. The cubic root of 730825443 is about 900.7505849618.

The spelling of 730825443 in words is "seven hundred thirty million, eight hundred twenty-five thousand, four hundred forty-three".