74894052801 has 4 divisors (see below), whose sum is σ = 99858737072. Its totient is φ = 49929368532.

The previous prime is 74894052787. The next prime is 74894052809. The reversal of 74894052801 is 10825049847.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10825049847 = 3 ⋅3608349949.

It is not a de Polignac number, because 74894052801 - 2¹³ = 74894044609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74894052809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12482342131 + ... + 12482342136.

It is an arithmetic number, because the mean of its divisors is an integer number (24964684268).

Almost surely, 2^74894052801 is an apocalyptic number.

It is an amenable number.

74894052801 is a deficient number, since it is larger than the sum of its proper divisors (24964684271).

74894052801 is a wasteful number, since it uses less digits than its factorization.

74894052801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24964684270.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 74894052801 in words is "seventy-four billion, eight hundred ninety-four million, fifty-two thousand, eight hundred one".