7940238472 has 32 divisors (see below), whose sum is σ = 15693840000. Its totient is φ = 3755809728.

The previous prime is 7940238451. The next prime is 7940238479. The reversal of 7940238472 is 2748320497.

It is not an unprimeable number, because it can be changed into a prime (7940238479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70929 + ... + 144607.

It is an arithmetic number, because the mean of its divisors is an integer number (490432500).

Almost surely, 2^7940238472 is an apocalyptic number.

It is an amenable number.

7940238472 is a deficient number, since it is larger than the sum of its proper divisors (7753601528).

7940238472 is a wasteful number, since it uses less digits than its factorization.

7940238472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74413 (or 74409 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 7940238472 is about 89108.0157561597. The cubic root of 7940238472 is about 1995.0074201100.

The spelling of 7940238472 in words is "seven billion, nine hundred forty million, two hundred thirty-eight thousand, four hundred seventy-two".