87298272 has 36 divisors (see below), whose sum is σ = 248255280. Its totient is φ = 29099328.

The previous prime is 87298249. The next prime is 87298273. The reversal of 87298272 is 27289278.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87298273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151272 + ... + 151847.

It is an arithmetic number, because the mean of its divisors is an integer number (6895980).

Almost surely, 2^87298272 is an apocalyptic number.

It is an amenable number.

87298272 is an abundant number, since it is smaller than the sum of its proper divisors (160957008).

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

87298272 is a wasteful number, since it uses less digits than its factorization.

87298272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303135 (or 303124 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 87298272 is about 9343.3544297538. The cubic root of 87298272 is about 443.6105667327.

The spelling of 87298272 in words is "eighty-seven million, two hundred ninety-eight thousand, two hundred seventy-two".