672263260425 has 84 divisors (see below), whose sum is σ = 1250371744524. Its totient is φ = 358387286400.

The previous prime is 672263260421. The next prime is 672263260429. The reversal of 672263260425 is 524062362276.

672263260425 is a `hidden beast` number, since 6 + 7 + 2 + 2 + 6 + 32 + 604 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (672263260421) and next prime (672263260429).

It can be written as a sum of positive squares in 6 ways, for example, as 2489610816 + 669773649609 = 49896^2 + 818397^2 .

It is not a de Polignac number, because 672263260425 - 2² = 672263260421 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 (672263260421) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 52135279 + ... + 52148171.

It is an arithmetic number, because the mean of its divisors is an integer number (14885377911).

Almost surely, 2^672263260425 is an apocalyptic number.

It is an amenable number.

672263260425 is a deficient number, since it is larger than the sum of its proper divisors (578108484099).

672263260425 is a wasteful number, since it uses less digits than its factorization.

672263260425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15782 (or 15762 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 672263260425 in words is "six hundred seventy-two billion, two hundred sixty-three million, two hundred sixty thousand, four hundred twenty-five".