672404173435 has 8 divisors (see below), whose sum is σ = 806907722400. Its totient is φ = 537908195904.

The previous prime is 672404173429. The next prime is 672404173439. The reversal of 672404173435 is 534371404276.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672404173435 - 2²⁵ = 672370619003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672404173439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695610 + ... + 2054239.

It is an arithmetic number, because the mean of its divisors is an integer number (100863465300).

Almost surely, 2^672404173435 is an apocalyptic number.

672404173435 is a deficient number, since it is larger than the sum of its proper divisors (134503548965).

672404173435 is a wasteful number, since it uses less digits than its factorization.

672404173435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785717.

The product of its (nonzero) digits is 1693440, while the sum is 46.

The spelling of 672404173435 in words is "six hundred seventy-two billion, four hundred four million, one hundred seventy-three thousand, four hundred thirty-five".