725454 has 24 divisors (see below), whose sum is σ = 1611792. Its totient is φ = 235680.

The previous prime is 725449. The next prime is 725479. The reversal of 725454 is 454527.

725454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×725454² = 1052567012232, which contains 22 as substring.

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

725454 is a modest number, since divided by 5454 gives 72 as remainder.

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 725454.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247 + ... + 1229.

It is an arithmetic number, because the mean of its divisors is an integer number (67158).

2⁷²⁵⁴⁵⁴ is an apocalyptic number.

725454 is an abundant number, since it is smaller than the sum of its proper divisors (886338).

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

725454 is a wasteful number, since it uses less digits than its factorization.

725454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1029 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 725454 is about 851.7358745527. The cubic root of 725454 is about 89.8538368284.

The spelling of 725454 in words is "seven hundred twenty-five thousand, four hundred fifty-four".