672487425 has 36 divisors (see below), whose sum is σ = 1267902480. Its totient is φ = 339780960.

The previous prime is 672487423. The next prime is 672487441. The reversal of 672487425 is 524784276.

It is a happy number.

It is not a de Polignac number, because 672487425 - 2¹ = 672487423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (672487423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74379 + ... + 82928.

Almost surely, 2^672487425 is an apocalyptic number.

It is an amenable number.

672487425 is a deficient number, since it is larger than the sum of its proper divisors (595415055).

672487425 is a wasteful number, since it uses less digits than its factorization.

672487425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157342 (or 157334 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 672487425 is about 25932.3625032506. The cubic root of 672487425 is about 876.1155513113.

It can be divided in two parts, 6724 and 87425, that added together give a palindrome (94149).

The spelling of 672487425 in words is "six hundred seventy-two million, four hundred eighty-seven thousand, four hundred twenty-five".