7743020642 has 32 divisors (see below), whose sum is σ = 13828026240. Its totient is φ = 3182613120.

The previous prime is 7743020641. The next prime is 7743020647. The reversal of 7743020642 is 2460203477.

It is not an unprimeable number, because it can be changed into a prime (7743020641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80453 + ... + 148184.

It is an arithmetic number, because the mean of its divisors is an integer number (432125820).

Almost surely, 2^7743020642 is an apocalyptic number.

7743020642 is a deficient number, since it is larger than the sum of its proper divisors (6085005598).

7743020642 is a wasteful number, since it uses less digits than its factorization.

7743020642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228746.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 7743020642 is about 87994.4352899659. The cubic root of 7743020642 is about 1978.3515717464.

The spelling of 7743020642 in words is "seven billion, seven hundred forty-three million, twenty thousand, six hundred forty-two".