7907914738 has 4 divisors (see below), whose sum is σ = 11861872110. Its totient is φ = 3953957368.

The previous prime is 7907914733. The next prime is 7907914757. The reversal of 7907914738 is 8374197097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8374197097 = 7 ⋅1196313871.

It can be written as a sum of positive squares in only one way, i.e., 6516848529 + 1391066209 = 80727^2 + 37297^2 .

It is not an unprimeable number, because it can be changed into a prime (7907914733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976978683 + ... + 1976978686.

Almost surely, 2^7907914738 is an apocalyptic number.

7907914738 is a deficient number, since it is larger than the sum of its proper divisors (3953957372).

7907914738 is a wasteful number, since it uses less digits than its factorization.

7907914738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953957371.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The square root of 7907914738 is about 88926.4569068171. The cubic root of 7907914738 is about 1992.2965950376.

The spelling of 7907914738 in words is "seven billion, nine hundred seven million, nine hundred fourteen thousand, seven hundred thirty-eight".