730246 has 16 divisors (see below), whose sum is σ = 1258560. Its totient is φ = 314280.

The previous prime is 730237. The next prime is 730253. The reversal of 730246 is 642037.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

730246 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (78660).

2⁷³⁰²⁴⁶ is an apocalyptic number.

730246 is a deficient number, since it is larger than the sum of its proper divisors (528314).

730246 is a wasteful number, since it uses less digits than its factorization.

730246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 730246 is about 854.5443230167. The cubic root of 730246 is about 90.0512465345.

Subtracting from 730246 its reverse (642037), we obtain a square (88209 = 297²).

The spelling of 730246 in words is "seven hundred thirty thousand, two hundred forty-six".