6273257220 has 60 divisors (see below), whose sum is σ = 19679445324. Its totient is φ = 1672868160.

The previous prime is 6273257209. The next prime is 6273257231. The reversal of 6273257220 is 227523726.

6273257220 is a `hidden beast` number, since 62 + 7 + 3 + 2 + 572 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (6273257209) and next prime (6273257231).

It can be written as a sum of positive squares in 2 ways, for example, as 4795008516 + 1478248704 = 69246^2 + 38448^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×6273257220² = 78707512296564256800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1934571 + ... + 1937810.

Almost surely, 2^6273257220 is an apocalyptic number.

6273257220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6273257220 is an abundant number, since it is smaller than the sum of its proper divisors (13406188104).

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

6273257220 is a wasteful number, since it uses less digits than its factorization.

6273257220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872402 (or 3872391 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 6273257220 is about 79203.8964950589. The cubic root of 6273257220 is about 1844.2977299498.

The spelling of 6273257220 in words is "six billion, two hundred seventy-three million, two hundred fifty-seven thousand, two hundred twenty".