74705450747 has 16 divisors (see below), whose sum is σ = 76007756160. Its totient is φ = 73411221312.

The previous prime is 74705450731. The next prime is 74705450749.

74705450747 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 74705450747 - 2⁴ = 74705450731 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74705450695 and 74705450704.

It is not an unprimeable number, because it can be changed into a prime (74705450749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32952308 + ... + 32954574.

It is an arithmetic number, because the mean of its divisors is an integer number (4750484760).

Almost surely, 2^74705450747 is an apocalyptic number.

74705450747 is a deficient number, since it is larger than the sum of its proper divisors (1302305413).

74705450747 is a wasteful number, since it uses less digits than its factorization.

74705450747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802.

The product of its (nonzero) digits is 3841600, while the sum is 50.

The spelling of 74705450747 in words is "seventy-four billion, seven hundred five million, four hundred fifty thousand, seven hundred forty-seven".