680422738 has 8 divisors (see below), whose sum is σ = 1030543488. Its totient is φ = 336908244.

The previous prime is 680422709. The next prime is 680422741. The reversal of 680422738 is 837224086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 680422738.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651306 + ... + 1651717.

It is an arithmetic number, because the mean of its divisors is an integer number (128817936).

Almost surely, 2^680422738 is an apocalyptic number.

680422738 is a deficient number, since it is larger than the sum of its proper divisors (350120750).

680422738 is a wasteful number, since it uses less digits than its factorization.

680422738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303128.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 680422738 is about 26084.9139925743. The cubic root of 680422738 is about 879.5481228576.

The spelling of 680422738 in words is "six hundred eighty million, four hundred twenty-two thousand, seven hundred thirty-eight".