675970691 has 4 divisors (see below), whose sum is σ = 737422584. Its totient is φ = 614518800.

The previous prime is 675970663. The next prime is 675970693. The reversal of 675970691 is 196079576.

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

It is a cyclic number.

It is not a de Polignac number, because 675970691 - 2⁶ = 675970627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675970693) 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, 30725930 + ... + 30725951.

It is an arithmetic number, because the mean of its divisors is an integer number (184355646).

Almost surely, 2^675970691 is an apocalyptic number.

675970691 is a deficient number, since it is larger than the sum of its proper divisors (61451893).

675970691 is a wasteful number, since it uses less digits than its factorization.

675970691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61451892.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 675970691 is about 25999.4363592752. The cubic root of 675970691 is about 877.6256115721.

The spelling of 675970691 in words is "six hundred seventy-five million, nine hundred seventy thousand, six hundred ninety-one".