87740230 has 32 divisors (see below), whose sum is σ = 172627200. Its totient is φ = 31964160.

The previous prime is 87740221. The next prime is 87740249. The reversal of 87740230 is 3204778.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 87740192 and 87740201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3055 + ... + 13594.

It is an arithmetic number, because the mean of its divisors is an integer number (5394600).

Almost surely, 2^87740230 is an apocalyptic number.

87740230 is a deficient number, since it is larger than the sum of its proper divisors (84886970).

87740230 is a wasteful number, since it uses less digits than its factorization.

87740230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16704.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 87740230 is about 9366.9754990605. The cubic root of 87740230 is about 444.3579175769.

The spelling of 87740230 in words is "eighty-seven million, seven hundred forty thousand, two hundred thirty".