74074667472 has 60 divisors (see below), whose sum is σ = 223252822884. Its totient is φ = 22792204800.

The previous prime is 74074667453. The next prime is 74074667473. The reversal of 74074667472 is 27476647047.

It is a happy number.

74074667472 is a `hidden beast` number, since 7 + 40 + 7 + 466 + 74 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6003770256 + 68070897216 = 77484^2 + 260904^2 .

It is a super-2 number, since 2×74074667472² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74074667473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19783029 + ... + 19786772.

Almost surely, 2^74074667472 is an apocalyptic number.

74074667472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74074667472 is an abundant number, since it is smaller than the sum of its proper divisors (149178155412).

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

74074667472 is a wasteful number, since it uses less digits than its factorization.

74074667472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39569828 (or 39569819 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 54.

The spelling of 74074667472 in words is "seventy-four billion, seventy-four million, six hundred sixty-seven thousand, four hundred seventy-two".