730973 has 2 divisors, whose sum is σ = 730974. Its totient is φ = 730972.

The previous prime is 730969. The next prime is 730993. The reversal of 730973 is 379037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 727609 + 3364 = 853^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 730973 - 2² = 730969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365486 + 365487.

It is an arithmetic number, because the mean of its divisors is an integer number (365487).

2⁷³⁰⁹⁷³ is an apocalyptic number.

It is an amenable number.

730973 is a deficient number, since it is larger than the sum of its proper divisors (1).

730973 is an equidigital number, since it uses as much as digits as its factorization.

730973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 29.

The square root of 730973 is about 854.9695901025. The cubic root of 730973 is about 90.0811202770.

It can be divided in two parts, 7 and 30973, that multiplied together give a triangular number (216811 = T₆₅₈).

The spelling of 730973 in words is "seven hundred thirty thousand, nine hundred seventy-three".