6172754220 has 144 divisors (see below), whose sum is σ = 19060624128. Its totient is φ = 1616630400.

The previous prime is 6172754183. The next prime is 6172754267. The reversal of 6172754220 is 224572716.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5872695 + ... + 5873745.

Almost surely, 2^6172754220 is an apocalyptic number.

6172754220 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 6172754220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9530312064).

6172754220 is an abundant number, since it is smaller than the sum of its proper divisors (12887869908).

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

6172754220 is a wasteful number, since it uses less digits than its factorization.

6172754220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 6172754220 is about 78566.8773720835. The cubic root of 6172754220 is about 1834.3955788626.

The spelling of 6172754220 in words is "six billion, one hundred seventy-two million, seven hundred fifty-four thousand, two hundred twenty".