74427060611544 has 32 divisors (see below), whose sum is σ = 186093973590000. Its totient is φ = 24805510595712.

The previous prime is 74427060611473. The next prime is 74427060611549. The reversal of 74427060611544 is 44511606072447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74427060611549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219177319 + ... + 219516630.

Almost surely, 2^{74427060611544} is an apocalyptic number.

It is an amenable number.

74427060611544 is an abundant number, since it is smaller than the sum of its proper divisors (111666912978456).

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

74427060611544 is a wasteful number, since it uses less digits than its factorization.

74427060611544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438701027 (or 438701023 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 74427060611544 in words is "seventy-four trillion, four hundred twenty-seven billion, sixty million, six hundred eleven thousand, five hundred forty-four".