680075534 has 4 divisors (see below), whose sum is σ = 1020113304. Its totient is φ = 340037766.

The previous prime is 680075453. The next prime is 680075563. The reversal of 680075534 is 435570086.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170018882 + ... + 170018885.

It is an arithmetic number, because the mean of its divisors is an integer number (255028326).

Almost surely, 2^680075534 is an apocalyptic number.

680075534 is a deficient number, since it is larger than the sum of its proper divisors (340037770).

680075534 is a wasteful number, since it uses less digits than its factorization.

680075534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340037769.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 680075534 is about 26078.2578789305. The cubic root of 680075534 is about 879.3984930430.

The spelling of 680075534 in words is "six hundred eighty million, seventy-five thousand, five hundred thirty-four".