678074005 has 48 divisors (see below), whose sum is σ = 991263744. Its totient is φ = 443439360.

The previous prime is 678074003. The next prime is 678074011. The reversal of 678074005 is 500470876.

It is a happy number.

It is not a de Polignac number, because 678074005 - 2¹ = 678074003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678074003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 553824 + ... + 555046.

It is an arithmetic number, because the mean of its divisors is an integer number (20651328).

Almost surely, 2^678074005 is an apocalyptic number.

It is an amenable number.

678074005 is a deficient number, since it is larger than the sum of its proper divisors (313189739).

678074005 is a wasteful number, since it uses less digits than its factorization.

678074005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 678074005 is about 26039.8541662583. The cubic root of 678074005 is about 878.5349266284.

The spelling of 678074005 in words is "six hundred seventy-eight million, seventy-four thousand, five".