672000044 has 12 divisors (see below), whose sum is σ = 1203349224. Its totient is φ = 328185984.

The previous prime is 672000023. The next prime is 672000059. The reversal of 672000044 is 440000276.

It is a junction number, because it is equal to n+sod(n) for n = 671999983 and 672000019.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1953317 + ... + 1953660.

It is an arithmetic number, because the mean of its divisors is an integer number (100279102).

Almost surely, 2^672000044 is an apocalyptic number.

It is an amenable number.

672000044 is a deficient number, since it is larger than the sum of its proper divisors (531349180).

672000044 is a wasteful number, since it uses less digits than its factorization.

672000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907024 (or 3907022 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 672000044 is about 25922.9636422999. The cubic root of 672000044 is about 875.9038470945.

The spelling of 672000044 in words is "six hundred seventy-two million, forty-four", and thus it is an aban number.