672405484 has 12 divisors (see below), whose sum is σ = 1217286000. Its totient is φ = 324609488.

The previous prime is 672405473. The next prime is 672405523. The reversal of 672405484 is 484504276.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2898184 + ... + 2898415.

It is an arithmetic number, because the mean of its divisors is an integer number (101440500).

Almost surely, 2^672405484 is an apocalyptic number.

It is an amenable number.

672405484 is a deficient number, since it is larger than the sum of its proper divisors (544880516).

672405484 is a wasteful number, since it uses less digits than its factorization.

672405484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796632 (or 5796630 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 672405484 is about 25930.7825566449. The cubic root of 672405484 is about 876.0799656643.

The spelling of 672405484 in words is "six hundred seventy-two million, four hundred five thousand, four hundred eighty-four".