1662472673 has 8 divisors (see below), whose sum is σ = 1700300160. Its totient is φ = 1624747600.

The previous prime is 1662472667. The next prime is 1662472709. The reversal of 1662472673 is 3762742661.

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 1662472673 - 2⁴ = 1662472657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1662472613) 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, 7718 + ... + 58176.

It is an arithmetic number, because the mean of its divisors is an integer number (212537520).

Almost surely, 2^1662472673 is an apocalyptic number.

It is an amenable number.

1662472673 is a deficient number, since it is larger than the sum of its proper divisors (37827487).

1662472673 is an equidigital number, since it uses as much as digits as its factorization.

1662472673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51207.

The product of its digits is 508032, while the sum is 44.

The square root of 1662472673 is about 40773.4309691986. The cubic root of 1662472673 is about 1184.6357602721.

The spelling of 1662472673 in words is "one billion, six hundred sixty-two million, four hundred seventy-two thousand, six hundred seventy-three".