74272055841 has 45 divisors (see below), whose sum is σ = 112393362081. Its totient is φ = 48878621208.

The previous prime is 74272055833. The next prime is 74272055909. The reversal of 74272055841 is 14855027247.

The square root of 74272055841 is 272529.

It is a perfect power (a square), and thus also a powerful number.

74272055841 is a `hidden beast` number, since 7 + 42 + 7 + 20 + 5 + 584 + 1 = 666.

It is not a de Polignac number, because 74272055841 - 2³ = 74272055833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74272055941) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 262445286 + ... + 262445568.

Almost surely, 2^74272055841 is an apocalyptic number.

74272055841 is the 272529-th square number.

74272055841 is the 136265-th centered octagonal number.

It is an amenable number.

74272055841 is a deficient number, since it is larger than the sum of its proper divisors (38121306240).

74272055841 is an frugal number, since it uses more digits than its factorization.

74272055841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 74272055841 in words is "seventy-four billion, two hundred seventy-two million, fifty-five thousand, eight hundred forty-one".