730675745 has 8 divisors (see below), whose sum is σ = 877314984. Its totient is φ = 584204544.

The previous prime is 730675739. The next prime is 730675769. The reversal of 730675745 is 547576037.

It can be written as a sum of positive squares in 4 ways, for example, as 263770081 + 466905664 = 16241^2 + 21608^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 730675745 - 2⁶ = 730675681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730675696 and 730675705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32234 + ... + 50003.

It is an arithmetic number, because the mean of its divisors is an integer number (109664373).

Almost surely, 2^730675745 is an apocalyptic number.

It is an amenable number.

730675745 is a deficient number, since it is larger than the sum of its proper divisors (146639239).

730675745 is a wasteful number, since it uses less digits than its factorization.

730675745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84019.

The product of its (nonzero) digits is 617400, while the sum is 44.

The square root of 730675745 is about 27031.0145018643. The cubic root of 730675745 is about 900.6890792721.

The spelling of 730675745 in words is "seven hundred thirty million, six hundred seventy-five thousand, seven hundred forty-five".