682478726 has 4 divisors (see below), whose sum is σ = 1023718092. Its totient is φ = 341239362.

The previous prime is 682478593. The next prime is 682478729. The reversal of 682478726 is 627874286.

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

It is a super-2 number, since 2×682478726² = 931554422885166152, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682478729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170619680 + ... + 170619683.

It is an arithmetic number, because the mean of its divisors is an integer number (255929523).

Almost surely, 2^682478726 is an apocalyptic number.

682478726 is a deficient number, since it is larger than the sum of its proper divisors (341239366).

682478726 is a wasteful number, since it uses less digits than its factorization.

682478726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341239365.

The product of its digits is 1806336, while the sum is 50.

The square root of 682478726 is about 26124.2937894979. The cubic root of 682478726 is about 880.4331227046.

The spelling of 682478726 in words is "six hundred eighty-two million, four hundred seventy-eight thousand, seven hundred twenty-six".