6492720 has 80 divisors (see below), whose sum is σ = 21686112. Its totient is φ = 1597440.

The previous prime is 6492709. The next prime is 6492727. The reversal of 6492720 is 272946.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is not an unprimeable number, because it can be changed into a prime (6492727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2080 + ... + 4160.

Almost surely, 2^6492720 is an apocalyptic number.

6492720 is a gapful number since it is divisible by the number (60) 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 6492720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10843056).

6492720 is an abundant number, since it is smaller than the sum of its proper divisors (15193392).

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

6492720 is a wasteful number, since it uses less digits than its factorization.

6492720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 6492720 is about 2548.0816313454. The cubic root of 6492720 is about 186.5558582716. Note that the first 3 decimals are identical.

The spelling of 6492720 in words is "six million, four hundred ninety-two thousand, seven hundred twenty".