74993274801 has 9 divisors (see below), whose sum is σ = 108324805849. Its totient is φ = 49994968836.

The previous prime is 74993274799. The next prime is 74993274809. The reversal of 74993274801 is 10847239947.

The square root of 74993274801 is 273849.

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

74993274801 is a `hidden beast` number, since 7 + 499 + 3 + 2 + 74 + 80 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 74993274801 - 2¹ = 74993274799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74993274809) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 775906 + ... + 867188.

Almost surely, 2^74993274801 is an apocalyptic number.

74993274801 is the 273849-th square number.

74993274801 is the 136925-th centered octagonal number.

It is an amenable number.

74993274801 is a deficient number, since it is larger than the sum of its proper divisors (33331531048).

74993274801 is an frugal number, since it uses more digits than its factorization.

74993274801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182572 (or 91286 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 74993274801 in words is "seventy-four billion, nine hundred ninety-three million, two hundred seventy-four thousand, eight hundred one".