730408 has 16 divisors (see below), whose sum is σ = 1565280. Its totient is φ = 313008.

The previous prime is 730399. The next prime is 730421. The reversal of 730408 is 804037.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6466 + ... + 6577.

It is an arithmetic number, because the mean of its divisors is an integer number (97830).

2⁷³⁰⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

730408 is an abundant number, since it is smaller than the sum of its proper divisors (834872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730408 is a wasteful number, since it uses less digits than its factorization.

730408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13056 (or 13052 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 730408 is about 854.6391051198. The cubic root of 730408 is about 90.0579051232.

The spelling of 730408 in words is "seven hundred thirty thousand, four hundred eight".