7957703242 has 4 divisors (see below), whose sum is σ = 11936554866. Its totient is φ = 3978851620.

The previous prime is 7957703227. The next prime is 7957703251. The reversal of 7957703242 is 2423077597.

7957703242 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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., 5728824721 + 2228878521 = 75689^2 + 47211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7957703192 and 7957703201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989425809 + ... + 1989425812.

Almost surely, 2^7957703242 is an apocalyptic number.

7957703242 is a deficient number, since it is larger than the sum of its proper divisors (3978851624).

7957703242 is a wasteful number, since it uses less digits than its factorization.

7957703242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978851623.

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 7957703242 is about 89205.9596775910. The cubic root of 7957703242 is about 1996.4690399960.

The spelling of 7957703242 in words is "seven billion, nine hundred fifty-seven million, seven hundred three thousand, two hundred forty-two".