74865476448 has 192 divisors, whose sum is σ = 249974968320. Its totient is φ = 21353849856.

The previous prime is 74865476443. The next prime is 74865476459. The reversal of 74865476448 is 84467456847.

74865476448 is a `hidden beast` number, since 7 + 4 + 86 + 547 + 6 + 4 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74865476443) 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, 3660940 + ... + 3681332.

It is an arithmetic number, because the mean of its divisors is an integer number (1301952960).

Almost surely, 2^74865476448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74865476448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124987484160).

74865476448 is an abundant number, since it is smaller than the sum of its proper divisors (175109491872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74865476448 is a wasteful number, since it uses less digits than its factorization.

74865476448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026 (or 21012 counting only the distinct ones).

The product of its digits is 144506880, while the sum is 63.

The spelling of 74865476448 in words is "seventy-four billion, eight hundred sixty-five million, four hundred seventy-six thousand, four hundred forty-eight".