675774643 has 4 divisors (see below), whose sum is σ = 675829000. Its totient is φ = 675720288.

The previous prime is 675774607. The next prime is 675774677. The reversal of 675774643 is 346477576.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 675774643 - 2¹³ = 675766451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675774343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696 + ... + 36802.

It is an arithmetic number, because the mean of its divisors is an integer number (168957250).

Almost surely, 2^675774643 is an apocalyptic number.

675774643 is a deficient number, since it is larger than the sum of its proper divisors (54357).

675774643 is a wasteful number, since it uses less digits than its factorization.

675774643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54356.

The product of its digits is 2963520, while the sum is 49.

The square root of 675774643 is about 25995.6658502913. The cubic root of 675774643 is about 877.5407590854.

The spelling of 675774643 in words is "six hundred seventy-five million, seven hundred seventy-four thousand, six hundred forty-three".