87367240 has 32 divisors (see below), whose sum is σ = 197612280. Its totient is φ = 34762752.

The previous prime is 87367223. The next prime is 87367261. The reversal of 87367240 is 4276378.

It can be written as a sum of positive squares in 4 ways, for example, as 80174116 + 7193124 = 8954^2 + 2682^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 87367240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2062 + ... + 13378.

Almost surely, 2^87367240 is an apocalyptic number.

It is an amenable number.

87367240 is an abundant number, since it is smaller than the sum of its proper divisors (110245040).

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

87367240 is a wasteful number, since it uses less digits than its factorization.

87367240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11521 (or 11517 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 87367240 is about 9347.0444526599. The cubic root of 87367240 is about 443.7273574375.

The spelling of 87367240 in words is "eighty-seven million, three hundred sixty-seven thousand, two hundred forty".