676431634 has 16 divisors (see below), whose sum is σ = 1026207000. Its totient is φ = 334370304.

The previous prime is 676431631. The next prime is 676431671. The reversal of 676431634 is 436134676.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 676156009 + 275625 = 26003^2 + 525^2 .

It is not an unprimeable number, because it can be changed into a prime (676431631) 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 7 ways as a sum of consecutive naturals, for example, 346092 + ... + 348040.

Almost surely, 2^676431634 is an apocalyptic number.

676431634 is a deficient number, since it is larger than the sum of its proper divisors (349775366).

676431634 is a wasteful number, since it uses less digits than its factorization.

676431634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837.

The product of its digits is 217728, while the sum is 40.

The square root of 676431634 is about 26008.2993292526. The cubic root of 676431634 is about 877.8250499362.

The spelling of 676431634 in words is "six hundred seventy-six million, four hundred thirty-one thousand, six hundred thirty-four".