3744969781574 has 48 divisors (see below), whose sum is σ = 6744926599200. Its totient is φ = 1553761440000.

The previous prime is 3744969781573. The next prime is 3744969781577. The reversal of 3744969781574 is 4751879694473.

It is a Harshad number since it is a multiple of its sum of digits (74).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3744969781571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1873427 + ... + 3316574.

It is an arithmetic number, because the mean of its divisors is an integer number (140519304150).

Almost surely, 2^{3744969781574} is an apocalyptic number.

3744969781574 is a deficient number, since it is larger than the sum of its proper divisors (2999956817626).

3744969781574 is a wasteful number, since it uses less digits than its factorization.

3744969781574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190253 (or 5190246 counting only the distinct ones).

The product of its digits is 1280240640, while the sum is 74.

The spelling of 3744969781574 in words is "three trillion, seven hundred forty-four billion, nine hundred sixty-nine million, seven hundred eighty-one thousand, five hundred seventy-four".