87704634 has 8 divisors (see below), whose sum is σ = 175409280. Its totient is φ = 29234876.

The previous prime is 87704633. The next prime is 87704647. The reversal of 87704634 is 43640778.

It is a happy number.

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

87704634 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 87704592 and 87704601.

It is not an unprimeable number, because it can be changed into a prime (87704633) 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, 7308714 + ... + 7308725.

It is an arithmetic number, because the mean of its divisors is an integer number (21926160).

Almost surely, 2^87704634 is an apocalyptic number.

87704634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87704634 is a wasteful number, since it uses less digits than its factorization.

87704634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14617444.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 87704634 is about 9365.0752266066. The cubic root of 87704634 is about 444.2978178030.

The spelling of 87704634 in words is "eighty-seven million, seven hundred four thousand, six hundred thirty-four".