675042769 has 4 divisors (see below), whose sum is σ = 675135796. Its totient is φ = 674949744.

The previous prime is 675042757. The next prime is 675042779. The reversal of 675042769 is 967240576.

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 199148544 + 475894225 = 14112^2 + 21815^2 .

It is a cyclic number.

It is not a de Polignac number, because 675042769 - 2¹⁷ = 674911697 is a prime.

It is a super-2 number, since 2×675042769² = 911365479958374722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675042779) 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, 34614 + ... + 50479.

It is an arithmetic number, because the mean of its divisors is an integer number (168783949).

Almost surely, 2^675042769 is an apocalyptic number.

It is an amenable number.

675042769 is a deficient number, since it is larger than the sum of its proper divisors (93027).

675042769 is an equidigital number, since it uses as much as digits as its factorization.

675042769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93026.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 675042769 is about 25981.5851902843. The cubic root of 675042769 is about 877.2238480822.

The spelling of 675042769 in words is "six hundred seventy-five million, forty-two thousand, seven hundred sixty-nine".