74567788425 has 36 divisors (see below), whose sum is σ = 143832984204. Its totient is φ = 36710294400.

The previous prime is 74567788423. The next prime is 74567788447. The reversal of 74567788425 is 52488776547.

It is a happy number.

74567788425 is a `hidden beast` number, since 74 + 5 + 67 + 7 + 88 + 425 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 14981025609 + 59586762816 = 122397^2 + 244104^2 .

It is not a de Polignac number, because 74567788425 - 2¹ = 74567788423 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74567788423) 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 35 ways as a sum of consecutive naturals, for example, 12743706 + ... + 12749555.

Almost surely, 2^74567788425 is an apocalyptic number.

74567788425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74567788425 is a deficient number, since it is larger than the sum of its proper divisors (69265195779).

74567788425 is a wasteful number, since it uses less digits than its factorization.

74567788425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25493290 (or 25493282 counting only the distinct ones).

The product of its digits is 105369600, while the sum is 63.

The spelling of 74567788425 in words is "seventy-four billion, five hundred sixty-seven million, seven hundred eighty-eight thousand, four hundred twenty-five".