7740740049 has 16 divisors (see below), whose sum is σ = 12416225280. Its totient is φ = 4190475600.

The previous prime is 7740740041. The next prime is 7740740053. The reversal of 7740740049 is 9400470477.

It is not a de Polignac number, because 7740740049 - 2³ = 7740740041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7740740041) 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, 9699777 + ... + 9700574.

It is an arithmetic number, because the mean of its divisors is an integer number (776014080).

Almost surely, 2^7740740049 is an apocalyptic number.

It is an amenable number.

7740740049 is a deficient number, since it is larger than the sum of its proper divisors (4675485231).

7740740049 is a wasteful number, since it uses less digits than its factorization.

7740740049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19400380.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 7740740049 is about 87981.4756014015. The cubic root of 7740740049 is about 1978.1573212082.

The spelling of 7740740049 in words is "seven billion, seven hundred forty million, seven hundred forty thousand, forty-nine".