6252780 has 72 divisors (see below), whose sum is σ = 18394992. Its totient is φ = 1586816.

The previous prime is 6252769. The next prime is 6252791. The reversal of 6252780 is 872526.

It is an interprime number because it is at equal distance from previous prime (6252769) and next prime (6252791).

It is a super-3 number, since 3×6252780³ (a number of 21 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31642 + ... + 31838.

It is an arithmetic number, because the mean of its divisors is an integer number (255486).

Almost surely, 2^6252780 is an apocalyptic number.

6252780 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 6252780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9197496).

6252780 is an abundant number, since it is smaller than the sum of its proper divisors (12142212).

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

6252780 is a wasteful number, since it uses less digits than its factorization.

6252780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 6252780 is about 2500.5559381865. Note that the first 3 decimals coincide. The cubic root of 6252780 is about 184.2288818372.

The spelling of 6252780 in words is "six million, two hundred fifty-two thousand, seven hundred eighty".