730971 has 8 divisors (see below), whose sum is σ = 1082960. Its totient is φ = 487296.

The previous prime is 730969. The next prime is 730973. The reversal of 730971 is 179037.

It is an interprime number because it is at equal distance from previous prime (730969) and next prime (730973).

It is not a de Polignac number, because 730971 - 2¹ = 730969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 27073 = 730971 / (7 + 3 + 0 + 9 + 7 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730973) 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, 13510 + ... + 13563.

It is an arithmetic number, because the mean of its divisors is an integer number (135370).

2⁷³⁰⁹⁷¹ is an apocalyptic number.

730971 is a deficient number, since it is larger than the sum of its proper divisors (351989).

730971 is a wasteful number, since it uses less digits than its factorization.

730971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27082 (or 27076 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 730971 is about 854.9684204694. The cubic root of 730971 is about 90.0810381206.

The spelling of 730971 in words is "seven hundred thirty thousand, nine hundred seventy-one".