723047470 has 32 divisors (see below), whose sum is σ = 1371394080. Its totient is φ = 273715200.

The previous prime is 723047461. The next prime is 723047491. The reversal of 723047470 is 74740327.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 341134 + ... + 343246.

It is an arithmetic number, because the mean of its divisors is an integer number (42856065).

Almost surely, 2^723047470 is an apocalyptic number.

723047470 is a deficient number, since it is larger than the sum of its proper divisors (648346610).

723047470 is a wasteful number, since it uses less digits than its factorization.

723047470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 723047470 is about 26889.5420191568. The cubic root of 723047470 is about 897.5437014953.

Adding to 723047470 its reverse (74740327), we get a palindrome (797787797).

The spelling of 723047470 in words is "seven hundred twenty-three million, forty-seven thousand, four hundred seventy".