676564040 has 16 divisors (see below), whose sum is σ = 1522269180. Its totient is φ = 270625600.

The previous prime is 676564037. The next prime is 676564043. The reversal of 676564040 is 40465676.

It is an interprime number because it is at equal distance from previous prime (676564037) and next prime (676564043).

It can be written as a sum of positive squares in 2 ways, for example, as 676312036 + 252004 = 26006^2 + 502^2 .

It is a super-2 number, since 2×676564040² = 915477800442243200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 676563985 and 676564003.

It is not an unprimeable number, because it can be changed into a prime (676564043) 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 3 ways as a sum of consecutive naturals, for example, 8457011 + ... + 8457090.

Almost surely, 2^676564040 is an apocalyptic number.

It is an amenable number.

676564040 is an abundant number, since it is smaller than the sum of its proper divisors (845705140).

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

676564040 is a wasteful number, since it uses less digits than its factorization.

676564040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16914112 (or 16914108 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 676564040 is about 26010.8446614100. The cubic root of 676564040 is about 877.8823219082.

The spelling of 676564040 in words is "six hundred seventy-six million, five hundred sixty-four thousand, forty".