730071 has 6 divisors (see below), whose sum is σ = 1054560. Its totient is φ = 486708.

The previous prime is 730069. The next prime is 730091. The reversal of 730071 is 170037.

It is not a de Polignac number, because 730071 - 2¹ = 730069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40551 + ... + 40568.

It is an arithmetic number, because the mean of its divisors is an integer number (175760).

2⁷³⁰⁰⁷¹ is an apocalyptic number.

730071 is a deficient number, since it is larger than the sum of its proper divisors (324489).

730071 is a wasteful number, since it uses less digits than its factorization.

730071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81125 (or 81122 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 730071 is about 854.4419231288. The cubic root of 730071 is about 90.0440525081.

The spelling of 730071 in words is "seven hundred thirty thousand, seventy-one".