675123240 has 64 divisors (see below), whose sum is σ = 2209498560. Its totient is φ = 163665920.

The previous prime is 675123233. The next prime is 675123247. The reversal of 675123240 is 42321576.

It is an interprime number because it is at equal distance from previous prime (675123233) and next prime (675123247).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 675123198 and 675123207.

It is not an unprimeable number, because it can be changed into a prime (675123247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254409 + ... + 257048.

It is an arithmetic number, because the mean of its divisors is an integer number (34523415).

Almost surely, 2^675123240 is an apocalyptic number.

675123240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

675123240 is an abundant number, since it is smaller than the sum of its proper divisors (1534375320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675123240 is a wasteful number, since it uses less digits than its factorization.

675123240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511482 (or 511478 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 675123240 is about 25983.1337601914. The cubic root of 675123240 is about 877.2587042812.

The spelling of 675123240 in words is "six hundred seventy-five million, one hundred twenty-three thousand, two hundred forty".