3742044474728 has 64 divisors (see below), whose sum is σ = 8301052032000. Its totient is φ = 1547552770560.

The previous prime is 3742044474691. The next prime is 3742044474761. The reversal of 3742044474728 is 8274744402473.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2482325 + ... + 3694052.

It is an arithmetic number, because the mean of its divisors is an integer number (129703938000).

Almost surely, 2^{3742044474728} is an apocalyptic number.

It is an amenable number.

3742044474728 is an abundant number, since it is smaller than the sum of its proper divisors (4559007557272).

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

3742044474728 is a wasteful number, since it uses less digits than its factorization.

3742044474728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6176770 (or 6176766 counting only the distinct ones).

The product of its (nonzero) digits is 33718272, while the sum is 56.

The spelling of 3742044474728 in words is "three trillion, seven hundred forty-two billion, forty-four million, four hundred seventy-four thousand, seven hundred twenty-eight".