6542761722 has 32 divisors (see below), whose sum is σ = 14957297664. Its totient is φ = 1869058800.

The previous prime is 6542761697. The next prime is 6542761747. The reversal of 6542761722 is 2271672456.

It is an interprime number because it is at equal distance from previous prime (6542761697) and next prime (6542761747).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457947 + ... + 472017.

It is an arithmetic number, because the mean of its divisors is an integer number (467415552).

Almost surely, 2^6542761722 is an apocalyptic number.

6542761722 is an abundant number, since it is smaller than the sum of its proper divisors (8414535942).

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

6542761722 is a wasteful number, since it uses less digits than its factorization.

6542761722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25154.

The product of its digits is 282240, while the sum is 42.

The square root of 6542761722 is about 80887.3396892245. The cubic root of 6542761722 is about 1870.3391648438.

The spelling of 6542761722 in words is "six billion, five hundred forty-two million, seven hundred sixty-one thousand, seven hundred twenty-two".