6211672720 has 40 divisors (see below), whose sum is σ = 15755063040. Its totient is φ = 2258789760.

The previous prime is 6211672697. The next prime is 6211672723. The reversal of 6211672720 is 272761126.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (6211672723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3528480 + ... + 3530239.

It is an arithmetic number, because the mean of its divisors is an integer number (393876576).

Almost surely, 2^6211672720 is an apocalyptic number.

It is an amenable number.

6211672720 is an abundant number, since it is smaller than the sum of its proper divisors (9543390320).

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

6211672720 is a wasteful number, since it uses less digits than its factorization.

6211672720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7058743 (or 7058737 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 6211672720 is about 78814.1657318023. The cubic root of 6211672720 is about 1838.2427220704.

The spelling of 6211672720 in words is "six billion, two hundred eleven million, six hundred seventy-two thousand, seven hundred twenty".