74540906344 has 16 divisors (see below), whose sum is σ = 141205068900. Its totient is φ = 36886221312.

The previous prime is 74540906327. The next prime is 74540906369. The reversal of 74540906344 is 44360904547.

It can be written as a sum of positive squares in 2 ways, for example, as 72381445444 + 2159460900 = 269038^2 + 46470^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74540906294 and 74540906303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48028159 + ... + 48029710.

Almost surely, 2^74540906344 is an apocalyptic number.

It is an amenable number.

74540906344 is a deficient number, since it is larger than the sum of its proper divisors (66664162556).

74540906344 is a wasteful number, since it uses less digits than its factorization.

74540906344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96057972 (or 96057968 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 74540906344 in words is "seventy-four billion, five hundred forty million, nine hundred six thousand, three hundred forty-four".