7740047043 has 32 divisors (see below), whose sum is σ = 12083385600. Its totient is φ = 4883131008.

The previous prime is 7740046969. The next prime is 7740047053. The reversal of 7740047043 is 3407400477.

It is a de Polignac number, because none of the positive numbers 2^k-7740047043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7740046989 and 7740047007.

It is not an unprimeable number, because it can be changed into a prime (7740047053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493480 + ... + 508922.

It is an arithmetic number, because the mean of its divisors is an integer number (377605800).

Almost surely, 2^7740047043 is an apocalyptic number.

7740047043 is a deficient number, since it is larger than the sum of its proper divisors (4343338557).

7740047043 is a wasteful number, since it uses less digits than its factorization.

7740047043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16448 (or 16442 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 7740047043 is about 87977.5371501158. The cubic root of 7740047043 is about 1978.0982865510.

The spelling of 7740047043 in words is "seven billion, seven hundred forty million, forty-seven thousand, forty-three".