4756440 has 64 divisors (see below), whose sum is σ = 15372000. Its totient is φ = 1170432.

The previous prime is 4756439. The next prime is 4756459. The reversal of 4756440 is 446574.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 = 4756398 and 4756407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36 + ... + 3084.

Almost surely, 2^4756440 is an apocalyptic number.

4756440 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 4756440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7686000).

4756440 is an abundant number, since it is smaller than the sum of its proper divisors (10615560).

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

4756440 is a wasteful number, since it uses less digits than its factorization.

4756440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 4756440 is about 2180.9264086622. The cubic root of 4756440 is about 168.1747048810.

The spelling of 4756440 in words is "four million, seven hundred fifty-six thousand, four hundred forty".