723470 has 16 divisors (see below), whose sum is σ = 1420848. Its totient is φ = 263040.

The previous prime is 723467. The next prime is 723473. The reversal of 723470 is 74327.

723470 is nontrivially palindromic in base 4.

It is an interprime number because it is at equal distance from previous prime (723467) and next prime (723473).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3179 + ... + 3398.

It is an arithmetic number, because the mean of its divisors is an integer number (88803).

2⁷²³⁴⁷⁰ is an apocalyptic number.

723470 is a deficient number, since it is larger than the sum of its proper divisors (697378).

723470 is a wasteful number, since it uses less digits than its factorization.

723470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 723470 is about 850.5703968514. The cubic root of 723470 is about 89.7718501126.

Adding to 723470 its reverse (74327), we get a palindrome (797797).

The spelling of 723470 in words is "seven hundred twenty-three thousand, four hundred seventy", and thus it is an iban number.