1672671577 has 4 divisors (see below), whose sum is σ = 1711570960. Its totient is φ = 1633772196.

The previous prime is 1672671571. The next prime is 1672671677. The reversal of 1672671577 is 7751762761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1672671577 - 2⁷ = 1672671449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672671577.

It is not an unprimeable number, because it can be changed into a prime (1672671571) 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 3 ways as a sum of consecutive naturals, for example, 19449627 + ... + 19449712.

It is an arithmetic number, because the mean of its divisors is an integer number (427892740).

Almost surely, 2^1672671577 is an apocalyptic number.

It is an amenable number.

1672671577 is a deficient number, since it is larger than the sum of its proper divisors (38899383).

1672671577 is an equidigital number, since it uses as much as digits as its factorization.

1672671577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38899382.

The product of its digits is 864360, while the sum is 49.

The square root of 1672671577 is about 40898.3077522775. The cubic root of 1672671577 is about 1187.0533164977.

The spelling of 1672671577 in words is "one billion, six hundred seventy-two million, six hundred seventy-one thousand, five hundred seventy-seven".