675665701 has 4 divisors (see below), whose sum is σ = 676545100. Its totient is φ = 674786304.

The previous prime is 675665689. The next prime is 675665719. The reversal of 675665701 is 107566576.

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

It can be written as a sum of positive squares in 2 ways, for example, as 379860100 + 295805601 = 19490^2 + 17199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675665701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675665101) 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, 438546 + ... + 440083.

It is an arithmetic number, because the mean of its divisors is an integer number (169136275).

Almost surely, 2^675665701 is an apocalyptic number.

It is an amenable number.

675665701 is a deficient number, since it is larger than the sum of its proper divisors (879399).

675665701 is an equidigital number, since it uses as much as digits as its factorization.

675665701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879398.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 675665701 is about 25993.5703780762. The cubic root of 675665701 is about 877.4936002758.

The spelling of 675665701 in words is "six hundred seventy-five million, six hundred sixty-five thousand, seven hundred one".