675729243 has 64 divisors (see below), whose sum is σ = 1275264000. Its totient is φ = 344259072.

The previous prime is 675729239. The next prime is 675729247. The reversal of 675729243 is 342927576.

It is an interprime number because it is at equal distance from previous prime (675729239) and next prime (675729247).

It is not a de Polignac number, because 675729243 - 2² = 675729239 is a prime.

It is a super-2 number, since 2×675729243² = 913220019690706098, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (675729247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55513 + ... + 66581.

It is an arithmetic number, because the mean of its divisors is an integer number (19926000).

Almost surely, 2^675729243 is an apocalyptic number.

675729243 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

675729243 is a deficient number, since it is larger than the sum of its proper divisors (599534757).

675729243 is a wasteful number, since it uses less digits than its factorization.

675729243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121 (or 11115 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 675729243 is about 25994.7926131370. The cubic root of 675729243 is about 877.5211069508.

The spelling of 675729243 in words is "six hundred seventy-five million, seven hundred twenty-nine thousand, two hundred forty-three".