1874066642 has 18 divisors (see below), whose sum is σ = 3270803013. Its totient is φ = 802987752.

The previous prime is 1874066641. The next prime is 1874066647. The reversal of 1874066642 is 2466604781.

It can be written as a sum of positive squares in 2 ways, for example, as 1863562561 + 10504081 = 43169^2 + 3241^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=30611.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1874066593 and 1874066602.

It is not an unprimeable number, because it can be changed into a prime (1874066641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 426368 + ... + 430740.

Almost surely, 2^1874066642 is an apocalyptic number.

1874066642 is a deficient number, since it is larger than the sum of its proper divisors (1396736371).

1874066642 is an frugal number, since it uses more digits than its factorization.

1874066642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762 (or 4382 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 1874066642 is about 43290.4913578028. The cubic root of 1874066642 is about 1232.9013935365.

The spelling of 1874066642 in words is "one billion, eight hundred seventy-four million, sixty-six thousand, six hundred forty-two".