1674560642 has 8 divisors (see below), whose sum is σ = 2519866956. Its totient is φ = 834604992.

The previous prime is 1674560623. The next prime is 1674560677. The reversal of 1674560642 is 2460654761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1057485361 + 617075281 = 32519^2 + 24841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1674560642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336883 + ... + 1338134.

Almost surely, 2^1674560642 is an apocalyptic number.

1674560642 is a deficient number, since it is larger than the sum of its proper divisors (845306314).

1674560642 is a wasteful number, since it uses less digits than its factorization.

1674560642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675332.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 1674560642 is about 40921.3958950571. The cubic root of 1674560642 is about 1187.5000224857.

The spelling of 1674560642 in words is "one billion, six hundred seventy-four million, five hundred sixty thousand, six hundred forty-two".