74440383569973 has 24 divisors (see below), whose sum is σ = 108734257906560. Its totient is φ = 49068814069440.

The previous prime is 74440383569969. The next prime is 74440383570029. The reversal of 74440383569973 is 37996538304447.

74440383569973 is a `hidden beast` number, since 7 + 4 + 4 + 40 + 383 + 56 + 99 + 73 = 666.

It is not a de Polignac number, because 74440383569973 - 2² = 74440383569969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74440383569953) 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, 88082740 + ... + 88923842.

It is an arithmetic number, because the mean of its divisors is an integer number (4530594079440).

Almost surely, 2^{74440383569973} is an apocalyptic number.

It is an amenable number.

74440383569973 is a deficient number, since it is larger than the sum of its proper divisors (34293874336587).

74440383569973 is a wasteful number, since it uses less digits than its factorization.

74440383569973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951689 (or 951686 counting only the distinct ones).

The product of its (nonzero) digits is 1646023680, while the sum is 72.

The spelling of 74440383569973 in words is "seventy-four trillion, four hundred forty billion, three hundred eighty-three million, five hundred sixty-nine thousand, nine hundred seventy-three".