72614444 has 48 divisors (see below), whose sum is σ = 152334336. Its totient is φ = 29635200.

The previous prime is 72614441. The next prime is 72614453. The reversal of 72614444 is 44441627.

It is a self number, because there is not a number n which added to its sum of digits gives 72614444.

It is not an unprimeable number, because it can be changed into a prime (72614441) 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, 48629 + ... + 50099.

It is an arithmetic number, because the mean of its divisors is an integer number (3173632).

Almost surely, 2^72614444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72614444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76167168).

72614444 is an abundant number, since it is smaller than the sum of its proper divisors (79719892).

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

72614444 is a wasteful number, since it uses less digits than its factorization.

72614444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1564 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 72614444 is about 8521.4109160397. The cubic root of 72614444 is about 417.1968353824.

The spelling of 72614444 in words is "seventy-two million, six hundred fourteen thousand, four hundred forty-four".