726455 has 8 divisors (see below), whose sum is σ = 909792. Its totient is φ = 555808.

The previous prime is 726431. The next prime is 726457. The reversal of 726455 is 554627.

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

It is a cyclic number.

It is not a de Polignac number, because 726455 - 2⁶ = 726391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726455.

It is not an unprimeable number, because it can be changed into a prime (726457) 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, 3044 + ... + 3273.

It is an arithmetic number, because the mean of its divisors is an integer number (113724).

2⁷²⁶⁴⁵⁵ is an apocalyptic number.

726455 is a deficient number, since it is larger than the sum of its proper divisors (183337).

726455 is a wasteful number, since it uses less digits than its factorization.

726455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345.

The product of its digits is 8400, while the sum is 29.

The square root of 726455 is about 852.3232954695. The cubic root of 726455 is about 89.8951453761.

It can be divided in two parts, 7 and 26455, that added together give a palindrome (26462).

The spelling of 726455 in words is "seven hundred twenty-six thousand, four hundred fifty-five".