4997720 has 64 divisors (see below), whose sum is σ = 13849920. Its totient is φ = 1580544.

The previous prime is 4997717. The next prime is 4997747. The reversal of 4997720 is 277994.

It is a happy number.

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, 2954 + ... + 4326.

It is an arithmetic number, because the mean of its divisors is an integer number (216405).

Almost surely, 2^4997720 is an apocalyptic number.

4997720 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 4997720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6924960).

4997720 is an abundant number, since it is smaller than the sum of its proper divisors (8852200).

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

4997720 is a wasteful number, since it uses less digits than its factorization.

4997720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 4997720 is about 2235.5580958678. The cubic root of 4997720 is about 170.9715990816.

The spelling of 4997720 in words is "four million, nine hundred ninety-seven thousand, seven hundred twenty".