407725 has 12 divisors (see below), whose sum is σ = 517824. Its totient is φ = 318320.

The previous prime is 407723. The next prime is 407741. The reversal of 407725 is 527704.

It is not a de Polignac number, because 407725 - 2¹ = 407723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 407725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (43152).

2⁴⁰⁷⁷²⁵ is an apocalyptic number.

It is an amenable number.

407725 is a deficient number, since it is larger than the sum of its proper divisors (110099).

407725 is a wasteful number, since it uses less digits than its factorization.

407725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 407725 is about 638.5334760214. The cubic root of 407725 is about 74.1519279442.

The spelling of 407725 in words is "four hundred seven thousand, seven hundred twenty-five".