675017691 has 16 divisors (see below), whose sum is σ = 953566848. Its totient is φ = 423273600.

The previous prime is 675017687. The next prime is 675017701. The reversal of 675017691 is 196710576.

It is not a de Polignac number, because 675017691 - 2² = 675017687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675017671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105576 + ... + 111786.

It is an arithmetic number, because the mean of its divisors is an integer number (59597928).

Almost surely, 2^675017691 is an apocalyptic number.

675017691 is a deficient number, since it is larger than the sum of its proper divisors (278549157).

675017691 is a wasteful number, since it uses less digits than its factorization.

675017691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8362.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 675017691 is about 25981.1025747561. The cubic root of 675017691 is about 877.2129849225.

The spelling of 675017691 in words is "six hundred seventy-five million, seventeen thousand, six hundred ninety-one".