1675738385 has 4 divisors (see below), whose sum is σ = 2010886068. Its totient is φ = 1340590704.

The previous prime is 1675738327. The next prime is 1675738391. The reversal of 1675738385 is 5838375761.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1063868689 + 611869696 = 32617^2 + 24736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1675738385 - 2⁶ = 1675738321 is a prime.

It is a Duffinian number.

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, 167573834 + ... + 167573843.

It is an arithmetic number, because the mean of its divisors is an integer number (502721517).

Almost surely, 2^1675738385 is an apocalyptic number.

It is an amenable number.

1675738385 is a deficient number, since it is larger than the sum of its proper divisors (335147683).

1675738385 is an equidigital number, since it uses as much as digits as its factorization.

1675738385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335147682.

The product of its digits is 4233600, while the sum is 53.

The square root of 1675738385 is about 40935.7836739447. The cubic root of 1675738385 is about 1187.7783526247.

The spelling of 1675738385 in words is "one billion, six hundred seventy-five million, seven hundred thirty-eight thousand, three hundred eighty-five".