7940292973 has 4 divisors (see below), whose sum is σ = 8196431488. Its totient is φ = 7684154460.

The previous prime is 7940292929. The next prime is 7940292979. The reversal of 7940292973 is 3792920497.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3792920497 = 6121 ⋅619657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7940292973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7940292973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940292979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128069211 + ... + 128069272.

It is an arithmetic number, because the mean of its divisors is an integer number (2049107872).

Almost surely, 2^7940292973 is an apocalyptic number.

It is an amenable number.

7940292973 is a deficient number, since it is larger than the sum of its proper divisors (256138515).

7940292973 is a wasteful number, since it uses less digits than its factorization.

7940292973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256138514.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 7940292973 is about 89108.3215698736. The cubic root of 7940292973 is about 1995.0119846098.

The spelling of 7940292973 in words is "seven billion, nine hundred forty million, two hundred ninety-two thousand, nine hundred seventy-three".