678410722 has 16 divisors (see below), whose sum is σ = 1114899552. Its totient is φ = 307042720.

The previous prime is 678410693. The next prime is 678410729. The reversal of 678410722 is 227014876.

It is a super-2 number, since 2×678410722² = 920482215449122568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (678410729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61048 + ... + 71299.

It is an arithmetic number, because the mean of its divisors is an integer number (69681222).

Almost surely, 2^678410722 is an apocalyptic number.

678410722 is a deficient number, since it is larger than the sum of its proper divisors (436488830).

678410722 is a wasteful number, since it uses less digits than its factorization.

678410722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132593.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 678410722 is about 26046.3187802039. The cubic root of 678410722 is about 878.6803230948.

The spelling of 678410722 in words is "six hundred seventy-eight million, four hundred ten thousand, seven hundred twenty-two".