730657673 has 8 divisors (see below), whose sum is σ = 770594400. Its totient is φ = 690869088.

The previous prime is 730657667. The next prime is 730657699. The reversal of 730657673 is 376756037.

It is a happy number.

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 730657673 - 2¹⁸ = 730395529 is a prime.

It is a super-2 number, since 2×730657673² = 1067721270227549858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (730657633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26828 + ... + 46701.

It is an arithmetic number, because the mean of its divisors is an integer number (96324300).

Almost surely, 2^730657673 is an apocalyptic number.

It is an amenable number.

730657673 is a deficient number, since it is larger than the sum of its proper divisors (39936727).

730657673 is a wasteful number, since it uses less digits than its factorization.

730657673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74071.

The product of its (nonzero) digits is 555660, while the sum is 44.

The square root of 730657673 is about 27030.6802171163. The cubic root of 730657673 is about 900.6816535490.

The spelling of 730657673 in words is "seven hundred thirty million, six hundred fifty-seven thousand, six hundred seventy-three".