74934909225 has 72 divisors (see below), whose sum is σ = 146489945472. Its totient is φ = 36314294400.

The previous prime is 74934909211. The next prime is 74934909239. The reversal of 74934909225 is 52290943947.

74934909225 is a `hidden beast` number, since 7 + 49 + 3 + 490 + 92 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (74934909211) and next prime (74934909239).

It is not a de Polignac number, because 74934909225 - 2¹⁶ = 74934843689 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6050139 + ... + 6062511.

It is an arithmetic number, because the mean of its divisors is an integer number (2034582576).

Almost surely, 2^74934909225 is an apocalyptic number.

74934909225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74934909225 is a deficient number, since it is larger than the sum of its proper divisors (71555036247).

74934909225 is a wasteful number, since it uses less digits than its factorization.

74934909225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14847 (or 14839 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 74934909225 in words is "seventy-four billion, nine hundred thirty-four million, nine hundred nine thousand, two hundred twenty-five".