676564450 has 24 divisors (see below), whose sum is σ = 1259364708. Its totient is φ = 270420480.

The previous prime is 676564439. The next prime is 676564463. The reversal of 676564450 is 54465676.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 294088201 + 382476249 = 17149^2 + 19557^2 .

It is a junction number, because it is equal to n+sod(n) for n = 676564397 and 676564406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73294 + ... + 82006.

Almost surely, 2^676564450 is an apocalyptic number.

676564450 is a deficient number, since it is larger than the sum of its proper divisors (582800258).

676564450 is a wasteful number, since it uses less digits than its factorization.

676564450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278 (or 10273 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The square root of 676564450 is about 26010.8525427368. The cubic root of 676564450 is about 877.8824992413.

The spelling of 676564450 in words is "six hundred seventy-six million, five hundred sixty-four thousand, four hundred fifty".