74963478241 has 4 divisors (see below), whose sum is σ = 74964877312. Its totient is φ = 74962079172.

The previous prime is 74963478209. The next prime is 74963478323. The reversal of 74963478241 is 14287436947.

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: 14287436947 = 7 ⋅2041062421.

It is a cyclic number.

It is not a de Polignac number, because 74963478241 - 2⁵ = 74963478209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74963418241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615825 + ... + 727438.

It is an arithmetic number, because the mean of its divisors is an integer number (18741219328).

Almost surely, 2^74963478241 is an apocalyptic number.

It is an amenable number.

74963478241 is a deficient number, since it is larger than the sum of its proper divisors (1399071).

74963478241 is a wasteful number, since it uses less digits than its factorization.

74963478241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399070.

The product of its digits is 8128512, while the sum is 55.

The spelling of 74963478241 in words is "seventy-four billion, nine hundred sixty-three million, four hundred seventy-eight thousand, two hundred forty-one".