72344468 has 24 divisors (see below), whose sum is σ = 147770112. Its totient is φ = 30344544.

The previous prime is 72344449. The next prime is 72344477. The reversal of 72344468 is 86444327.

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, 26171 + ... + 28802.

It is an arithmetic number, because the mean of its divisors is an integer number (6157088).

Almost surely, 2^72344468 is an apocalyptic number.

It is an amenable number.

72344468 is an abundant number, since it is smaller than the sum of its proper divisors (75425644).

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

72344468 is a wasteful number, since it uses less digits than its factorization.

72344468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55031 (or 55029 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 72344468 is about 8505.5551259162. Note that the first 3 decimals coincide. The cubic root of 72344468 is about 416.6791559634.

The spelling of 72344468 in words is "seventy-two million, three hundred forty-four thousand, four hundred sixty-eight".