676742 has 16 divisors (see below), whose sum is σ = 1166400. Its totient is φ = 291240.

The previous prime is 676733. The next prime is 676747. The reversal of 676742 is 247676.

It is a happy number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 676699 and 676708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676747) by changing a digit.

676742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (72900).

2⁶⁷⁶⁷⁴² is an apocalyptic number.

676742 is a deficient number, since it is larger than the sum of its proper divisors (489658).

676742 is a wasteful number, since it uses less digits than its factorization.

676742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651.

The product of its digits is 14112, while the sum is 32.

The square root of 676742 is about 822.6433005866. The cubic root of 676742 is about 87.7959286410.

It can be divided in two parts, 67674 and 2, that added together give a palindrome (67676).

The spelling of 676742 in words is "six hundred seventy-six thousand, seven hundred forty-two".