730526 has 8 divisors (see below), whose sum is σ = 1143504. Its totient is φ = 349360.

The previous prime is 730487. The next prime is 730537. The reversal of 730526 is 625037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7895 + ... + 7986.

It is an arithmetic number, because the mean of its divisors is an integer number (142938).

2⁷³⁰⁵²⁶ is an apocalyptic number.

730526 is a deficient number, since it is larger than the sum of its proper divisors (412978).

730526 is a wasteful number, since it uses less digits than its factorization.

730526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15906.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 730526 is about 854.7081373194. The cubic root of 730526 is about 90.0627545866.

The spelling of 730526 in words is "seven hundred thirty thousand, five hundred twenty-six".