730887 has 16 divisors (see below), whose sum is σ = 1044480. Its totient is φ = 453600.

The previous prime is 730879. The next prime is 730889. The reversal of 730887 is 788037.

730887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 730887 - 2³ = 730879 is a prime.

730887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562 + ... + 2832.

It is an arithmetic number, because the mean of its divisors is an integer number (65280).

2⁷³⁰⁸⁸⁷ is an apocalyptic number.

730887 is a deficient number, since it is larger than the sum of its proper divisors (313593).

730887 is a wasteful number, since it uses less digits than its factorization.

730887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 730887 is about 854.9192944366. The cubic root of 730887 is about 90.0775874150.

The spelling of 730887 in words is "seven hundred thirty thousand, eight hundred eighty-seven".