72262044 has 60 divisors (see below), whose sum is σ = 197140944. Its totient is φ = 23037696.

The previous prime is 72262039. The next prime is 72262051. The reversal of 72262044 is 44026227.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 72261999 and 72262017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2604 + ... + 12300.

Almost surely, 2^72262044 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 72262044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98570472).

72262044 is an abundant number, since it is smaller than the sum of its proper divisors (124878900).

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

72262044 is a wasteful number, since it uses less digits than its factorization.

72262044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736 (or 9725 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 72262044 is about 8500.7084410654. The cubic root of 72262044 is about 416.5208512346.

The spelling of 72262044 in words is "seventy-two million, two hundred sixty-two thousand, forty-four".