7743379946 has 16 divisors (see below), whose sum is σ = 12303986184. Its totient is φ = 3642261504.

The previous prime is 7743379921. The next prime is 7743379949. The reversal of 7743379946 is 6499733477.

It can be written as a sum of positive squares in 4 ways, for example, as 7584493921 + 158886025 = 87089^2 + 12605^2 .

It is a super-2 number, since 2×7743379946² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7743379949) 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, 23786 + ... + 126698.

Almost surely, 2^7743379946 is an apocalyptic number.

7743379946 is a deficient number, since it is larger than the sum of its proper divisors (4560606238).

7743379946 is a wasteful number, since it uses less digits than its factorization.

7743379946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105145.

The product of its digits is 24004512, while the sum is 59.

The square root of 7743379946 is about 87996.4768953849. The cubic root of 7743379946 is about 1978.3821721487.

The spelling of 7743379946 in words is "seven billion, seven hundred forty-three million, three hundred seventy-nine thousand, nine hundred forty-six".