74429925 has 24 divisors (see below), whose sum is σ = 123322464. Its totient is φ = 39610560.

The previous prime is 74429923. The next prime is 74429933. The reversal of 74429925 is 52992447.

It is not a de Polignac number, because 74429925 - 2¹ = 74429923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74429923) 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 23 ways as a sum of consecutive naturals, for example, 50499 + ... + 51951.

It is an arithmetic number, because the mean of its divisors is an integer number (5138436).

Almost surely, 2^74429925 is an apocalyptic number.

74429925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74429925 is a deficient number, since it is larger than the sum of its proper divisors (48892539).

74429925 is a wasteful number, since it uses less digits than its factorization.

74429925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2144 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 74429925 is about 8627.2779600521. The cubic root of 74429925 is about 420.6451253519.

The spelling of 74429925 in words is "seventy-four million, four hundred twenty-nine thousand, nine hundred twenty-five".