730376 has 8 divisors (see below), whose sum is σ = 1369470. Its totient is φ = 365184.

The previous prime is 730363. The next prime is 730397. The reversal of 730376 is 673037.

It can be written as a sum of positive squares in only one way, i.e., 624100 + 106276 = 790^2 + 326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

730376 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45641 + ... + 45656.

2⁷³⁰³⁷⁶ is an apocalyptic number.

It is an amenable number.

730376 is a deficient number, since it is larger than the sum of its proper divisors (639094).

730376 is a wasteful number, since it uses less digits than its factorization.

730376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91303 (or 91299 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 730376 is about 854.6203835622. The cubic root of 730376 is about 90.0565899245.

The spelling of 730376 in words is "seven hundred thirty thousand, three hundred seventy-six".