726505230 has 32 divisors (see below), whose sum is σ = 1902123648. Its totient is φ = 176122400.

The previous prime is 726505211. The next prime is 726505267. The reversal of 726505230 is 32505627.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100436 + ... + 1101095.

It is an arithmetic number, because the mean of its divisors is an integer number (59441364).

Almost surely, 2^726505230 is an apocalyptic number.

726505230 is an abundant number, since it is smaller than the sum of its proper divisors (1175618418).

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

726505230 is a wasteful number, since it uses less digits than its factorization.

726505230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201552.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 726505230 is about 26953.7609620624. The cubic root of 726505230 is about 898.9721723150.

The spelling of 726505230 in words is "seven hundred twenty-six million, five hundred five thousand, two hundred thirty".