6542073722 has 16 divisors (see below), whose sum is σ = 10423565352. Its totient is φ = 3068782080.

The previous prime is 6542073691. The next prime is 6542073751. The reversal of 6542073722 is 2273702456.

It can be written as a sum of positive squares in 4 ways, for example, as 5132146321 + 1409927401 = 71639^2 + 37549^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296729 + ... + 318012.

Almost surely, 2^6542073722 is an apocalyptic number.

6542073722 is a deficient number, since it is larger than the sum of its proper divisors (3881491630).

6542073722 is a wasteful number, since it uses less digits than its factorization.

6542073722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615073.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 6542073722 is about 80883.0867487140. The cubic root of 6542073722 is about 1870.2736044323.

The spelling of 6542073722 in words is "six billion, five hundred forty-two million, seventy-three thousand, seven hundred twenty-two".