677630726 has 4 divisors (see below), whose sum is σ = 1016446092. Its totient is φ = 338815362.

The previous prime is 677630677. The next prime is 677630729. The reversal of 677630726 is 627036776.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677630729) 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 as a sum of consecutive naturals, namely, 169407680 + ... + 169407683.

It is an arithmetic number, because the mean of its divisors is an integer number (254111523).

Almost surely, 2^677630726 is an apocalyptic number.

677630726 is a deficient number, since it is larger than the sum of its proper divisors (338815366).

677630726 is a wasteful number, since it uses less digits than its factorization.

677630726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338815365.

The product of its (nonzero) digits is 444528, while the sum is 44.

The square root of 677630726 is about 26031.3412255304. The cubic root of 677630726 is about 878.3434426242.

The spelling of 677630726 in words is "six hundred seventy-seven million, six hundred thirty thousand, seven hundred twenty-six".