74731425 has 24 divisors (see below), whose sum is σ = 124334304. Its totient is φ = 39605760.

The previous prime is 74731403. The next prime is 74731429. The reversal of 74731425 is 52413747.

74731425 is a nontrivial binomial coefficient, being equal to C(12226, 2).

It is not a de Polignac number, because 74731425 - 2⁶ = 74731361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74731429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9169 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (5180596).

Almost surely, 2^74731425 is an apocalyptic number.

74731425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74731425 is the 12225-th triangular number and also the 6113-rd hexagonal number.

It is an amenable number.

74731425 is a deficient number, since it is larger than the sum of its proper divisors (49602879).

74731425 is a wasteful number, since it uses less digits than its factorization.

74731425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289 (or 6284 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 74731425 is about 8644.7339461663. The cubic root of 74731425 is about 421.2123418452.

The spelling of 74731425 in words is "seventy-four million, seven hundred thirty-one thousand, four hundred twenty-five".