1672485377 has 4 divisors (see below), whose sum is σ = 1672567380. Its totient is φ = 1672403376.

The previous prime is 1672485337. The next prime is 1672485389. The reversal of 1672485377 is 7735842761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 471932176 + 1200553201 = 21724^2 + 34649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672485377 - 2⁸ = 1672485121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672485337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16103 + ... + 60035.

It is an arithmetic number, because the mean of its divisors is an integer number (418141845).

Almost surely, 2^1672485377 is an apocalyptic number.

It is an amenable number.

1672485377 is a deficient number, since it is larger than the sum of its proper divisors (82003).

1672485377 is an equidigital number, since it uses as much as digits as its factorization.

1672485377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82002.

The product of its digits is 1975680, while the sum is 50.

The square root of 1672485377 is about 40896.0313111187. The cubic root of 1672485377 is about 1187.0092676972.

The spelling of 1672485377 in words is "one billion, six hundred seventy-two million, four hundred eighty-five thousand, three hundred seventy-seven".