72242484 has 24 divisors (see below), whose sum is σ = 177438240. Its totient is φ = 22813344.

The previous prime is 72242473. The next prime is 72242497. The reversal of 72242484 is 48424227.

It is a congruent number.

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, 158199 + ... + 158654.

It is an arithmetic number, because the mean of its divisors is an integer number (7393260).

Almost surely, 2^72242484 is an apocalyptic number.

It is an amenable number.

72242484 is an abundant number, since it is smaller than the sum of its proper divisors (105195756).

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

72242484 is a wasteful number, since it uses less digits than its factorization.

72242484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316879 (or 316877 counting only the distinct ones).

The product of its digits is 28672, while the sum is 33.

The square root of 72242484 is about 8499.5578708542. The cubic root of 72242484 is about 416.4832663440.

It can be divided in two parts, 72 and 242484, that added together give a triangular number (242556 = T₆₉₆).

The spelling of 72242484 in words is "seventy-two million, two hundred forty-two thousand, four hundred eighty-four".