1672447716 has 48 divisors (see below), whose sum is σ = 4564190400. Its totient is φ = 528140736.

The previous prime is 1672447663. The next prime is 1672447717. The reversal of 1672447716 is 6177442761.

1672447716 is a `hidden beast` number, since 167 + 2 + 4 + 477 + 16 = 666.

It is not an unprimeable number, because it can be changed into a prime (1672447717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405465 + ... + 409568.

It is an arithmetic number, because the mean of its divisors is an integer number (95087300).

Almost surely, 2^1672447716 is an apocalyptic number.

It is an amenable number.

1672447716 is an abundant number, since it is smaller than the sum of its proper divisors (2891742684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672447716 is a wasteful number, since it uses less digits than its factorization.

1672447716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815065 (or 815057 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 1672447716 is about 40895.5708604245. The cubic root of 1672447716 is about 1187.0003579448. Note that the first 3 decimals are identical.

The spelling of 1672447716 in words is "one billion, six hundred seventy-two million, four hundred forty-seven thousand, seven hundred sixteen".