7640009092 has 6 divisors (see below), whose sum is σ = 13370015918. Its totient is φ = 3820004544.

The previous prime is 7640009071. The next prime is 7640009093. The reversal of 7640009092 is 2909000467.

It can be written as a sum of positive squares in only one way, i.e., 6240052036 + 1399957056 = 78994^2 + 37416^2 .

It is not an unprimeable number, because it can be changed into a prime (7640009093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955001133 + ... + 955001140.

Almost surely, 2^7640009092 is an apocalyptic number.

It is an amenable number.

7640009092 is a deficient number, since it is larger than the sum of its proper divisors (5730006826).

7640009092 is a wasteful number, since it uses less digits than its factorization.

7640009092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910002277 (or 1910002275 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 7640009092 is about 87407.1455431420. The cubic root of 7640009092 is about 1969.5391822422.

The spelling of 7640009092 in words is "seven billion, six hundred forty million, nine thousand, ninety-two".