675640738 has 8 divisors (see below), whose sum is σ = 1014163920. Its totient is φ = 337586100.

The previous prime is 675640733. The next prime is 675640739. The reversal of 675640738 is 837046576.

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

It is not an unprimeable number, because it can be changed into a prime (675640733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113508 + ... + 119311.

It is an arithmetic number, because the mean of its divisors is an integer number (126770490).

Almost surely, 2^675640738 is an apocalyptic number.

675640738 is a deficient number, since it is larger than the sum of its proper divisors (338523182).

675640738 is a wasteful number, since it uses less digits than its factorization.

675640738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234272.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 675640738 is about 25993.0901972043. The cubic root of 675640738 is about 877.4827935793.

The spelling of 675640738 in words is "six hundred seventy-five million, six hundred forty thousand, seven hundred thirty-eight".