425068673 has 4 divisors (see below), whose sum is σ = 427226580. Its totient is φ = 422910768.

The previous prime is 425068661. The next prime is 425068723. The reversal of 425068673 is 376860524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 269517889 + 155550784 = 16417^2 + 12472^2 .

It is a cyclic number.

It is not a de Polignac number, because 425068673 - 2²⁶ = 357959809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425068673.

It is not an unprimeable number, because it can be changed into a prime (425068603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078658 + ... + 1079051.

It is an arithmetic number, because the mean of its divisors is an integer number (106806645).

Almost surely, 2^425068673 is an apocalyptic number.

It is an amenable number.

425068673 is a deficient number, since it is larger than the sum of its proper divisors (2157907).

425068673 is a wasteful number, since it uses less digits than its factorization.

425068673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157906.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 425068673 is about 20617.1936257096. The cubic root of 425068673 is about 751.8877913016.

The spelling of 425068673 in words is "four hundred twenty-five million, sixty-eight thousand, six hundred seventy-three".