687337474 has 8 divisors (see below), whose sum is σ = 1075832640. Its totient is φ = 328726596.

The previous prime is 687337463. The next prime is 687337501. The reversal of 687337474 is 474733786.

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

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, 7471014 + ... + 7471105.

It is an arithmetic number, because the mean of its divisors is an integer number (134479080).

Almost surely, 2^687337474 is an apocalyptic number.

687337474 is a deficient number, since it is larger than the sum of its proper divisors (388495166).

687337474 is a wasteful number, since it uses less digits than its factorization.

687337474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14942144.

The product of its digits is 2370816, while the sum is 49.

The square root of 687337474 is about 26217.1217718498. The cubic root of 687337474 is about 882.5175300602.

The spelling of 687337474 in words is "six hundred eighty-seven million, three hundred thirty-seven thousand, four hundred seventy-four".