674126775 has 72 divisors (see below), whose sum is σ = 1424543744. Its totient is φ = 298209600.

The previous prime is 674126771. The next prime is 674126777. The reversal of 674126775 is 577621476.

It is not a de Polignac number, because 674126775 - 2² = 674126771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 674126775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674126771) 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 71 ways as a sum of consecutive naturals, for example, 41922 + ... + 55728.

Almost surely, 2^674126775 is an apocalyptic number.

674126775 is an abundant number, since it is smaller than the sum of its proper divisors (750416969).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674126775 is a wasteful number, since it uses less digits than its factorization.

674126775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861 (or 13853 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 674126775 is about 25963.9514519651. The cubic root of 674126775 is about 876.8268877998.

It can be divided in two parts, 674 and 126775, that added together give a square (127449 = 357²).

The spelling of 674126775 in words is "six hundred seventy-four million, one hundred twenty-six thousand, seven hundred seventy-five".