676649506 has 32 divisors (see below), whose sum is σ = 1120896000. Its totient is φ = 304399296.

The previous prime is 676649503. The next prime is 676649513. The reversal of 676649506 is 605946676.

It is a self number, because there is not a number n which added to its sum of digits gives 676649506.

It is not an unprimeable number, because it can be changed into a prime (676649503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337495 + ... + 339493.

It is an arithmetic number, because the mean of its divisors is an integer number (35028000).

Almost surely, 2^676649506 is an apocalyptic number.

676649506 is a deficient number, since it is larger than the sum of its proper divisors (444246494).

676649506 is a wasteful number, since it uses less digits than its factorization.

676649506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 676649506 is about 26012.4875011983. The cubic root of 676649506 is about 877.9192861013.

The spelling of 676649506 in words is "six hundred seventy-six million, six hundred forty-nine thousand, five hundred six".