7643074028 has 6 divisors (see below), whose sum is σ = 13375379556. Its totient is φ = 3821537012.

The previous prime is 7643074027. The next prime is 7643074031. The reversal of 7643074028 is 8204703467.

It is not an unprimeable number, because it can be changed into a prime (7643074027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955384250 + ... + 955384257.

It is an arithmetic number, because the mean of its divisors is an integer number (2229229926).

Almost surely, 2^7643074028 is an apocalyptic number.

It is an amenable number.

7643074028 is a deficient number, since it is larger than the sum of its proper divisors (5732305528).

7643074028 is a wasteful number, since it uses less digits than its factorization.

7643074028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910768511 (or 1910768509 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 7643074028 is about 87424.6763105246. The cubic root of 7643074028 is about 1969.8025198216.

The spelling of 7643074028 in words is "seven billion, six hundred forty-three million, seventy-four thousand, twenty-eight".