2403072 has 108 divisors (see below), whose sum is σ = 7971600. Its totient is φ = 681984.

The previous prime is 2403061. The next prime is 2403077. The reversal of 2403072 is 2703042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2403077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16054 + ... + 16202.

2^2403072 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 2403072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3985800).

2403072 is an abundant number, since it is smaller than the sum of its proper divisors (5568528).

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

2403072 is a wasteful number, since it uses less digits than its factorization.

2403072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2403072 is about 1550.1845051477. The cubic root of 2403072 is about 133.9436906055.

The spelling of 2403072 in words is "two million, four hundred three thousand, seventy-two".