675430656 has 72 divisors (see below), whose sum is σ = 1803740064. Its totient is φ = 224378880.

The previous prime is 675430649. The next prime is 675430663. The reversal of 675430656 is 656034576.

It is an interprime number because it is at equal distance from previous prime (675430649) and next prime (675430663).

It is a super-4 number, since 4×675430656⁴ (a number of 36 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252880 + ... + 255536.

Almost surely, 2^675430656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675430656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901870032).

675430656 is an abundant number, since it is smaller than the sum of its proper divisors (1128309408).

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

675430656 is a wasteful number, since it uses less digits than its factorization.

675430656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007 (or 2993 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 675430656 is about 25989.0487705880. The cubic root of 675430656 is about 877.3918367342.

The spelling of 675430656 in words is "six hundred seventy-five million, four hundred thirty thousand, six hundred fifty-six".