674407769 has 16 divisors (see below), whose sum is σ = 794373888. Its totient is φ = 560457792.

The previous prime is 674407751. The next prime is 674407777. The reversal of 674407769 is 967704476.

It is a cyclic number.

It is not a de Polignac number, because 674407769 - 2²⁴ = 657630553 is a prime.

It is a super-2 number, since 2×674407769² = 909651677775114722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (674407709) 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 15 ways as a sum of consecutive naturals, for example, 71444 + ... + 80330.

It is an arithmetic number, because the mean of its divisors is an integer number (49648368).

Almost surely, 2^674407769 is an apocalyptic number.

It is an amenable number.

674407769 is a deficient number, since it is larger than the sum of its proper divisors (119966119).

674407769 is a wasteful number, since it uses less digits than its factorization.

674407769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The square root of 674407769 is about 25969.3621215462. The cubic root of 674407769 is about 876.9486991458.

The spelling of 674407769 in words is "six hundred seventy-four million, four hundred seven thousand, seven hundred sixty-nine".