675642496 has 64 divisors (see below), whose sum is σ = 1389778560. Its totient is φ = 326937600.

The previous prime is 675642491. The next prime is 675642497. The reversal of 675642496 is 694246576.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×675642496² = 912985564802220032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (675642491) 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 7 ways as a sum of consecutive naturals, for example, 1567401 + ... + 1567831.

It is an arithmetic number, because the mean of its divisors is an integer number (21715290).

Almost surely, 2^675642496 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 675642496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694889280).

675642496 is an abundant number, since it is smaller than the sum of its proper divisors (714136064).

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

675642496 is a wasteful number, since it uses less digits than its factorization.

675642496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 801 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The square root of 675642496 is about 25993.1240138618. The cubic root of 675642496 is about 877.4835546413.

The spelling of 675642496 in words is "six hundred seventy-five million, six hundred forty-two thousand, four hundred ninety-six".