672425 has 12 divisors (see below), whose sum is σ = 898380. Its totient is φ = 496320.

The previous prime is 672379. The next prime is 672439. The reversal of 672425 is 524276.

It can be written as a sum of positive squares in 6 ways, for example, as 169744 + 502681 = 412^2 + 709^2 .

It is not a de Polignac number, because 672425 - 2⁸ = 672169 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 672394 and 672403.

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, 710 + ... + 1359.

It is an arithmetic number, because the mean of its divisors is an integer number (74865).

2⁶⁷²⁴²⁵ is an apocalyptic number.

672425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

672425 is a deficient number, since it is larger than the sum of its proper divisors (225955).

672425 is a wasteful number, since it uses less digits than its factorization.

672425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092 (or 2087 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 672425 is about 820.0152437607. The cubic root of 672425 is about 87.6088441409.

It can be divided in two parts, 6724 and 25, that multiplied together give a square (168100 = 410²).

The spelling of 672425 in words is "six hundred seventy-two thousand, four hundred twenty-five".