74846464847 has 32 divisors (see below), whose sum is σ = 96144513024. Its totient is φ = 56579731200.

The previous prime is 74846464817. The next prime is 74846464867.

74846464847 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 74846464847 - 2¹⁰ = 74846463823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74846464847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74846464817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233738 + ... + 452024.

It is an arithmetic number, because the mean of its divisors is an integer number (3004516032).

Almost surely, 2^74846464847 is an apocalyptic number.

74846464847 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

74846464847 is a deficient number, since it is larger than the sum of its proper divisors (21298048177).

74846464847 is a wasteful number, since it uses less digits than its factorization.

74846464847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218439.

The product of its digits is 115605504, while the sum is 62.

The spelling of 74846464847 in words is "seventy-four billion, eight hundred forty-six million, four hundred sixty-four thousand, eight hundred forty-seven".