3618724761 has 8 divisors (see below), whose sum is σ = 5361073760. Its totient is φ = 2412483156.

The previous prime is 3618724751. The next prime is 3618724763. The reversal of 3618724761 is 1674278163.

3618724761 is a `hidden beast` number, since 3 + 618 + 7 + 24 + 7 + 6 + 1 = 666.

It is not a de Polignac number, because 3618724761 - 2⁷ = 3618724633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3618724763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67013395 + ... + 67013448.

It is an arithmetic number, because the mean of its divisors is an integer number (670134220).

Almost surely, 2^3618724761 is an apocalyptic number.

It is an amenable number.

3618724761 is a deficient number, since it is larger than the sum of its proper divisors (1742348999).

3618724761 is a wasteful number, since it uses less digits than its factorization.

3618724761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134026852 (or 134026846 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 3618724761 is about 60155.8372978051. The cubic root of 3618724761 is about 1535.2714860380.

The spelling of 3618724761 in words is "three billion, six hundred eighteen million, seven hundred twenty-four thousand, seven hundred sixty-one".