3845537742 has 8 divisors (see below), whose sum is σ = 7691075496. Its totient is φ = 1281845912.

The previous prime is 3845537669. The next prime is 3845537749. The reversal of 3845537742 is 2477355483.

It is a sphenic number, since it is the product of 3 distinct primes.

3845537742 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3845537691 and 3845537700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845537749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320461473 + ... + 320461484.

It is an arithmetic number, because the mean of its divisors is an integer number (961384437).

Almost surely, 2^3845537742 is an apocalyptic number.

3845537742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3845537742 is a wasteful number, since it uses less digits than its factorization.

3845537742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640922962.

The product of its digits is 2822400, while the sum is 48.

The square root of 3845537742 is about 62012.3999051803. The cubic root of 3845537742 is about 1566.6994562525.

The spelling of 3845537742 in words is "three billion, eight hundred forty-five million, five hundred thirty-seven thousand, seven hundred forty-two".