74434471448 has 32 divisors (see below), whose sum is σ = 144976392000. Its totient is φ = 35784752640.

The previous prime is 74434471409. The next prime is 74434471451. The reversal of 74434471448 is 84417443447.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 74434471396 and 74434471405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609728 + ... + 721551.

It is an arithmetic number, because the mean of its divisors is an integer number (4530512250).

Almost surely, 2^74434471448 is an apocalyptic number.

It is an amenable number.

74434471448 is a deficient number, since it is larger than the sum of its proper divisors (70541920552).

74434471448 is a wasteful number, since it uses less digits than its factorization.

74434471448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331555 (or 1331551 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 50.

The spelling of 74434471448 in words is "seventy-four billion, four hundred thirty-four million, four hundred seventy-one thousand, four hundred forty-eight".