6720151746 has 48 divisors (see below), whose sum is σ = 17055977760. Its totient is φ = 1745493120.

The previous prime is 6720151741. The next prime is 6720151771. The reversal of 6720151746 is 6471510276.

It is not an unprimeable number, because it can be changed into a prime (6720151741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1035751 + ... + 1042218.

It is an arithmetic number, because the mean of its divisors is an integer number (355332870).

Almost surely, 2^6720151746 is an apocalyptic number.

6720151746 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6720151746 is an abundant number, since it is smaller than the sum of its proper divisors (10335826014).

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

6720151746 is a wasteful number, since it uses less digits than its factorization.

6720151746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077999 (or 2077992 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 6720151746 is about 81976.5316782797. The cubic root of 6720151746 is about 1887.0917962100.

The spelling of 6720151746 in words is "six billion, seven hundred twenty million, one hundred fifty-one thousand, seven hundred forty-six".