682647074 has 4 divisors (see below), whose sum is σ = 1023970614. Its totient is φ = 341323536.

The previous prime is 682647073. The next prime is 682647079. The reversal of 682647074 is 470746286.

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

It can be written as a sum of positive squares in only one way, i.e., 625750225 + 56896849 = 25015^2 + 7543^2 .

It is a super-2 number, since 2×682647074² = 932014055281522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (682647073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170661767 + ... + 170661770.

Almost surely, 2^682647074 is an apocalyptic number.

682647074 is a deficient number, since it is larger than the sum of its proper divisors (341323540).

682647074 is a wasteful number, since it uses less digits than its factorization.

682647074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341323539.

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 682647074 is about 26127.5156492155. The cubic root of 682647074 is about 880.5055093174.

The spelling of 682647074 in words is "six hundred eighty-two million, six hundred forty-seven thousand, seventy-four".