687086034 has 32 divisors (see below), whose sum is σ = 1399567680. Its totient is φ = 224808000.

The previous prime is 687086033. The next prime is 687086039. The reversal of 687086034 is 430680786.

It is not an unprimeable number, because it can be changed into a prime (687086033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360484 + ... + 362384.

It is an arithmetic number, because the mean of its divisors is an integer number (43736490).

Almost surely, 2^687086034 is an apocalyptic number.

687086034 is an abundant number, since it is smaller than the sum of its proper divisors (712481646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

687086034 is a wasteful number, since it uses less digits than its factorization.

687086034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 687086034 is about 26212.3259937000. The cubic root of 687086034 is about 882.4099035158.

The spelling of 687086034 in words is "six hundred eighty-seven million, eighty-six thousand, thirty-four".