1672767449 has 2 divisors, whose sum is σ = 1672767450. Its totient is φ = 1672767448.

The previous prime is 1672767413. The next prime is 1672767497. The reversal of 1672767449 is 9447672761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1073741824 + 599025625 = 32768^2 + 24475^2 .

It is an emirp because it is prime and its reverse (9447672761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1672767449 - 2²⁴ = 1655990233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1672767449.

It is not a weakly prime, because it can be changed into another prime (1672767149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836383724 + 836383725.

It is an arithmetic number, because the mean of its divisors is an integer number (836383725).

Almost surely, 2^1672767449 is an apocalyptic number.

It is an amenable number.

1672767449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672767449 is an equidigital number, since it uses as much as digits as its factorization.

1672767449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 53.

The square root of 1672767449 is about 40899.4798133179. The cubic root of 1672767449 is about 1187.0759953871.

The spelling of 1672767449 in words is "one billion, six hundred seventy-two million, seven hundred sixty-seven thousand, four hundred forty-nine".