7646471940 has 24 divisors (see below), whose sum is σ = 21410121600. Its totient is φ = 2039059168.

The previous prime is 7646471897. The next prime is 7646471941. The reversal of 7646471940 is 491746467.

It is a super-3 number, since 3×7646471940³ (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7646471940.

It is not an unprimeable number, because it can be changed into a prime (7646471941) 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 7 ways as a sum of consecutive naturals, for example, 63720540 + ... + 63720659.

It is an arithmetic number, because the mean of its divisors is an integer number (892088400).

Almost surely, 2^7646471940 is an apocalyptic number.

It is an amenable number.

7646471940 is an abundant number, since it is smaller than the sum of its proper divisors (13763649660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7646471940 is a wasteful number, since it uses less digits than its factorization.

7646471940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127441211 (or 127441209 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 7646471940 is about 87444.1075201754. The cubic root of 7646471940 is about 1970.0943842365.

The spelling of 7646471940 in words is "seven billion, six hundred forty-six million, four hundred seventy-one thousand, nine hundred forty".