725496 has 64 divisors (see below), whose sum is σ = 2006400. Its totient is φ = 217728.

The previous prime is 725479. The next prime is 725507. The reversal of 725496 is 694527.

725496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

Its product of digits (15120) is a multiple of the sum of its prime factors (108).

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, 16851 + ... + 16893.

It is an arithmetic number, because the mean of its divisors is an integer number (31350).

2⁷²⁵⁴⁹⁶ is an apocalyptic number.

725496 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003200).

725496 is an abundant number, since it is smaller than the sum of its proper divisors (1280904).

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

725496 is a wasteful number, since it uses less digits than its factorization.

725496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 104 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 725496 is about 851.7605297265. The cubic root of 725496 is about 89.8555708177.

It can be divided in two parts, 725 and 496, that added together give a palindrome (1221).

The spelling of 725496 in words is "seven hundred twenty-five thousand, four hundred ninety-six".