672350674426 has 4 divisors (see below), whose sum is σ = 1008526011642. Its totient is φ = 336175337212.

The previous prime is 672350674421. The next prime is 672350674427. The reversal of 672350674426 is 624476053276.

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 only one way, i.e., 667366455625 + 4984218801 = 816925^2 + 70599^2 .

It is not an unprimeable number, because it can be changed into a prime (672350674421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168087668605 + ... + 168087668608.

Almost surely, 2^672350674426 is an apocalyptic number.

672350674426 is a deficient number, since it is larger than the sum of its proper divisors (336175337216).

672350674426 is a wasteful number, since it uses less digits than its factorization.

672350674426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336175337215.

The product of its (nonzero) digits is 10160640, while the sum is 52.

The spelling of 672350674426 in words is "six hundred seventy-two billion, three hundred fifty million, six hundred seventy-four thousand, four hundred twenty-six".