675688029 has 4 divisors (see below), whose sum is σ = 900917376. Its totient is φ = 450458684.

The previous prime is 675688021. The next prime is 675688067. The reversal of 675688029 is 920886576.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 675688029 - 2³ = 675688021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675688021) 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, 112614669 + ... + 112614674.

It is an arithmetic number, because the mean of its divisors is an integer number (225229344).

Almost surely, 2^675688029 is an apocalyptic number.

It is an amenable number.

675688029 is a deficient number, since it is larger than the sum of its proper divisors (225229347).

675688029 is a wasteful number, since it uses less digits than its factorization.

675688029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225229346.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 675688029 is about 25993.9998653535. Note that the first 3 decimals coincide. The cubic root of 675688029 is about 877.5032660328.

The spelling of 675688029 in words is "six hundred seventy-five million, six hundred eighty-eight thousand, twenty-nine".