74888274405825 has 36 divisors (see below), whose sum is σ = 134689789856908. Its totient is φ = 39774685132800.

The previous prime is 74888274405823. The next prime is 74888274405937. The reversal of 74888274405825 is 52850447288847.

74888274405825 is a `hidden beast` number, since 7 + 4 + 8 + 88 + 27 + 440 + 5 + 82 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 958956023169 + 73929318382656 = 979263^2 + 8598216^2 .

It is not a de Polignac number, because 74888274405825 - 2¹ = 74888274405823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74888274405823) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 690478504 + ... + 690586953.

Almost surely, 2^{74888274405825} is an apocalyptic number.

74888274405825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74888274405825 is a deficient number, since it is larger than the sum of its proper divisors (59801515451083).

74888274405825 is a wasteful number, since it uses less digits than its factorization.

74888274405825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381065714 (or 1381065706 counting only the distinct ones).

The product of its (nonzero) digits is 1284505600, while the sum is 72.

The spelling of 74888274405825 in words is "seventy-four trillion, eight hundred eighty-eight billion, two hundred seventy-four million, four hundred five thousand, eight hundred twenty-five".