4729440 has 96 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 1232384.

The previous prime is 4729433. The next prime is 4729447. The reversal of 4729440 is 449274.

It is an interprime number because it is at equal distance from previous prime (4729433) and next prime (4729447).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4729398 and 4729407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4729447) 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 15 ways as a sum of consecutive naturals, for example, 28237 + ... + 28403.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

Almost surely, 2^4729440 is an apocalyptic number.

4729440 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 4729440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7620480).

4729440 is an abundant number, since it is smaller than the sum of its proper divisors (10511520).

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

4729440 is a wasteful number, since it uses less digits than its factorization.

4729440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4729440 is about 2174.7275691452. The cubic root of 4729440 is about 167.8558854807.

The spelling of 4729440 in words is "four million, seven hundred twenty-nine thousand, four hundred forty".