7727603242 has 4 divisors (see below), whose sum is σ = 11591404866. Its totient is φ = 3863801620.

The previous prime is 7727603239. The next prime is 7727603243. The reversal of 7727603242 is 2423067277.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7110031041 + 617572201 = 84321^2 + 24851^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7727603195 and 7727603204.

It is not an unprimeable number, because it can be changed into a prime (7727603243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931900809 + ... + 1931900812.

Almost surely, 2^7727603242 is an apocalyptic number.

7727603242 is a deficient number, since it is larger than the sum of its proper divisors (3863801624).

7727603242 is a wasteful number, since it uses less digits than its factorization.

7727603242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863801623.

The product of its (nonzero) digits is 197568, while the sum is 40.

The square root of 7727603242 is about 87906.7872351163. The cubic root of 7727603242 is about 1977.0376442216.

The spelling of 7727603242 in words is "seven billion, seven hundred twenty-seven million, six hundred three thousand, two hundred forty-two".