74040036740673 has 4 divisors (see below), whose sum is σ = 98720048987568. Its totient is φ = 49360024493780.

The previous prime is 74040036740641. The next prime is 74040036740731. The reversal of 74040036740673 is 37604763004047.

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.

It is a cyclic number.

It is not a de Polignac number, because 74040036740673 - 2⁵ = 74040036740641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74040036760673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12340006123443 + ... + 12340006123448.

It is an arithmetic number, because the mean of its divisors is an integer number (24680012246892).

Almost surely, 2^{74040036740673} is an apocalyptic number.

It is an amenable number.

74040036740673 is a deficient number, since it is larger than the sum of its proper divisors (24680012246895).

74040036740673 is a wasteful number, since it uses less digits than its factorization.

74040036740673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24680012246894.

The product of its (nonzero) digits is 7112448, while the sum is 51.

The spelling of 74040036740673 in words is "seventy-four trillion, forty billion, thirty-six million, seven hundred forty thousand, six hundred seventy-three".