87740226 has 32 divisors (see below), whose sum is σ = 222833280. Its totient is φ = 25068528.

The previous prime is 87740221. The next prime is 87740249. The reversal of 87740226 is 62204778.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87740221) 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, 115681 + ... + 116436.

It is an arithmetic number, because the mean of its divisors is an integer number (6963540).

Almost surely, 2^87740226 is an apocalyptic number.

87740226 is an abundant number, since it is smaller than the sum of its proper divisors (135093054).

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

87740226 is a wasteful number, since it uses less digits than its factorization.

87740226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232135 (or 232129 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 87740226 is about 9366.9752855444. The cubic root of 87740226 is about 444.3579108242.

The spelling of 87740226 in words is "eighty-seven million, seven hundred forty thousand, two hundred twenty-six".