74126929 has 4 divisors (see below), whose sum is σ = 76683060. Its totient is φ = 71570800.

The previous prime is 74126917. The next prime is 74126933. The reversal of 74126929 is 92962147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11716929 + 62410000 = 3423^2 + 7900^2 .

It is a cyclic number.

It is not a de Polignac number, because 74126929 - 2⁹ = 74126417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74126891 and 74126900.

It is not an unprimeable number, because it can be changed into a prime (74126939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278022 + ... + 1278079.

It is an arithmetic number, because the mean of its divisors is an integer number (19170765).

Almost surely, 2^74126929 is an apocalyptic number.

It is an amenable number.

74126929 is a deficient number, since it is larger than the sum of its proper divisors (2556131).

74126929 is a wasteful number, since it uses less digits than its factorization.

74126929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556130.

The product of its digits is 54432, while the sum is 40.

The square root of 74126929 is about 8609.6997044032. The cubic root of 74126929 is about 420.0735490999.

It can be divided in two parts, 7412 and 6929, that added together give a palindrome (14341).

The spelling of 74126929 in words is "seventy-four million, one hundred twenty-six thousand, nine hundred twenty-nine".