680740148 has 12 divisors (see below), whose sum is σ = 1299594912. Its totient is φ = 309427320.

The previous prime is 680740147. The next prime is 680740153. The reversal of 680740148 is 841047086.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680740141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7735640 + ... + 7735727.

It is an arithmetic number, because the mean of its divisors is an integer number (108299576).

Almost surely, 2^680740148 is an apocalyptic number.

It is an amenable number.

680740148 is a deficient number, since it is larger than the sum of its proper divisors (618854764).

680740148 is a wasteful number, since it uses less digits than its factorization.

680740148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15471382 (or 15471380 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 680740148 is about 26090.9974512283. The cubic root of 680740148 is about 879.6848682240.

The spelling of 680740148 in words is "six hundred eighty million, seven hundred forty thousand, one hundred forty-eight".