676401729 has 24 divisors (see below), whose sum is σ = 1007851680. Its totient is φ = 402060672.

The previous prime is 676401709. The next prime is 676401731. The reversal of 676401729 is 927104676.

It is not a de Polignac number, because 676401729 - 2⁵ = 676401697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (676401709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42 + ... + 36780.

It is an arithmetic number, because the mean of its divisors is an integer number (41993820).

Almost surely, 2^676401729 is an apocalyptic number.

It is an amenable number.

676401729 is a deficient number, since it is larger than the sum of its proper divisors (331449951).

676401729 is a wasteful number, since it uses less digits than its factorization.

676401729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36797 (or 36778 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 676401729 is about 26007.7244102593. The cubic root of 676401729 is about 877.8121135488.

The spelling of 676401729 in words is "six hundred seventy-six million, four hundred one thousand, seven hundred twenty-nine".