87272424 has 64 divisors (see below), whose sum is σ = 256694400. Its totient is φ = 27378432.

The previous prime is 87272417. The next prime is 87272443. The reversal of 87272424 is 42427278.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 8212 + ... + 15555.

It is an arithmetic number, because the mean of its divisors is an integer number (4010850).

Almost surely, 2^87272424 is an apocalyptic number.

It is an amenable number.

87272424 is an abundant number, since it is smaller than the sum of its proper divisors (169421976).

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

87272424 is a wasteful number, since it uses less digits than its factorization.

87272424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23799 (or 23789 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 87272424 is about 9341.9710982212. The cubic root of 87272424 is about 443.5667797728.

The spelling of 87272424 in words is "eighty-seven million, two hundred seventy-two thousand, four hundred twenty-four".