678242410 has 16 divisors (see below), whose sum is σ = 1238032512. Its totient is φ = 267475600.

The previous prime is 678242399. The next prime is 678242417. The reversal of 678242410 is 14242876.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (678242417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476926 + ... + 478345.

It is an arithmetic number, because the mean of its divisors is an integer number (77377032).

Almost surely, 2^678242410 is an apocalyptic number.

678242410 is a deficient number, since it is larger than the sum of its proper divisors (559790102).

678242410 is a wasteful number, since it uses less digits than its factorization.

678242410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955349.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 678242410 is about 26043.0875665694. The cubic root of 678242410 is about 878.6076509558.

The spelling of 678242410 in words is "six hundred seventy-eight million, two hundred forty-two thousand, four hundred ten".