4773440 has 56 divisors (see below), whose sum is σ = 12996672. Its totient is φ = 1635840.

The previous prime is 4773409. The next prime is 4773449. The reversal of 4773440 is 443774.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (4773449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175 + ... + 3305.

Almost surely, 2^4773440 is an apocalyptic number.

4773440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4773440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6498336).

4773440 is an abundant number, since it is smaller than the sum of its proper divisors (8223232).

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

4773440 is a wasteful number, since it uses less digits than its factorization.

4773440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 4773440 is about 2184.8203587481. The cubic root of 4773440 is about 168.3748244835.

It can be divided in two parts, 47734 and 40, that added together give a palindrome (47774).

The spelling of 4773440 in words is "four million, seven hundred seventy-three thousand, four hundred forty".