676649420 has 24 divisors (see below), whose sum is σ = 1482745824. Its totient is φ = 258891776.

The previous prime is 676649417. The next prime is 676649447. The reversal of 676649420 is 24946676.

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, 735029 + ... + 735948.

It is an arithmetic number, because the mean of its divisors is an integer number (61781076).

Almost surely, 2^676649420 is an apocalyptic number.

It is an amenable number.

676649420 is an abundant number, since it is smaller than the sum of its proper divisors (806096404).

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

676649420 is a wasteful number, since it uses less digits than its factorization.

676649420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471009 (or 1471007 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 676649420 is about 26012.4858481461. The cubic root of 676649420 is about 877.9192489077.

The spelling of 676649420 in words is "six hundred seventy-six million, six hundred forty-nine thousand, four hundred twenty".