730662313 has 4 divisors (see below), whose sum is σ = 743046480. Its totient is φ = 718278148.

The previous prime is 730662307. The next prime is 730662319. The reversal of 730662313 is 313266037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313266037 = 7 ⋅44752291.

It is an interprime number because it is at equal distance from previous prime (730662307) and next prime (730662319).

It is a cyclic number.

It is not a de Polignac number, because 730662313 - 2²⁹ = 193791401 is a prime.

It is a super-4 number, since 4×730662313⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730662319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6191995 + ... + 6192112.

It is an arithmetic number, because the mean of its divisors is an integer number (185761620).

Almost surely, 2^730662313 is an apocalyptic number.

It is an amenable number.

730662313 is a deficient number, since it is larger than the sum of its proper divisors (12384167).

730662313 is a wasteful number, since it uses less digits than its factorization.

730662313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12384166.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 730662313 is about 27030.7660453787. The cubic root of 730662313 is about 900.6835601208.

The spelling of 730662313 in words is "seven hundred thirty million, six hundred sixty-two thousand, three hundred thirteen".