675756442 has 4 divisors (see below), whose sum is σ = 1013634666. Its totient is φ = 337878220.

The previous prime is 675756373. The next prime is 675756449. The reversal of 675756442 is 244657576.

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

It can be written as a sum of positive squares in only one way, i.e., 374074281 + 301682161 = 19341^2 + 17369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 675756392 and 675756401.

It is not an unprimeable number, because it can be changed into a prime (675756449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168939109 + ... + 168939112.

Almost surely, 2^675756442 is an apocalyptic number.

675756442 is a deficient number, since it is larger than the sum of its proper divisors (337878224).

675756442 is a wasteful number, since it uses less digits than its factorization.

675756442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337878223.

The product of its digits is 1411200, while the sum is 46.

The square root of 675756442 is about 25995.3157703460. The cubic root of 675756442 is about 877.5328805898.

The spelling of 675756442 in words is "six hundred seventy-five million, seven hundred fifty-six thousand, four hundred forty-two".