74652447075 has 48 divisors (see below), whose sum is σ = 124170028800. Its totient is φ = 39574846080.

The previous prime is 74652447073. The next prime is 74652447127. The reversal of 74652447075 is 57074425647.

It is a Cunningham number, because it is equal to 273226²-1.

It is not a de Polignac number, because 74652447075 - 2¹ = 74652447073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74652447071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20490204 + ... + 20493846.

It is an arithmetic number, because the mean of its divisors is an integer number (2586875600).

Almost surely, 2^74652447075 is an apocalyptic number.

74652447075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74652447075 is a deficient number, since it is larger than the sum of its proper divisors (49517581725).

74652447075 is a wasteful number, since it uses less digits than its factorization.

74652447075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228 (or 5223 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 51.

The spelling of 74652447075 in words is "seventy-four billion, six hundred fifty-two million, four hundred forty-seven thousand, seventy-five".