1674724889 has 2 divisors, whose sum is σ = 1674724890. Its totient is φ = 1674724888.

The previous prime is 1674724841. The next prime is 1674724903. The reversal of 1674724889 is 9884274761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 849139600 + 825585289 = 29140^2 + 28733^2 .

It is an emirp because it is prime and its reverse (9884274761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1674724889 - 2²⁸ = 1406289433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1674724819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837362444 + 837362445.

It is an arithmetic number, because the mean of its divisors is an integer number (837362445).

Almost surely, 2^1674724889 is an apocalyptic number.

It is an amenable number.

1674724889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1674724889 is an equidigital number, since it uses as much as digits as its factorization.

1674724889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 56.

The square root of 1674724889 is about 40923.4027055425. The cubic root of 1674724889 is about 1187.5388459906.

The spelling of 1674724889 in words is "one billion, six hundred seventy-four million, seven hundred twenty-four thousand, eight hundred eighty-nine".