662856746 has 4 divisors (see below), whose sum is σ = 994285122. Its totient is φ = 331428372.

The previous prime is 662856737. The next prime is 662856767. The reversal of 662856746 is 647658266.

It is a happy number.

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., 415140625 + 247716121 = 20375^2 + 15739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 662856694 and 662856703.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165714185 + ... + 165714188.

Almost surely, 2^662856746 is an apocalyptic number.

662856746 is a deficient number, since it is larger than the sum of its proper divisors (331428376).

662856746 is a wasteful number, since it uses less digits than its factorization.

662856746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331428375.

The product of its digits is 2903040, while the sum is 50.

The square root of 662856746 is about 25746.0044667129. The cubic root of 662856746 is about 871.9131483863.

The spelling of 662856746 in words is "six hundred sixty-two million, eight hundred fifty-six thousand, seven hundred forty-six".