74141428 has 12 divisors (see below), whose sum is σ = 131525380. Its totient is φ = 36562752.

The previous prime is 74141423. The next prime is 74141461. The reversal of 74141428 is 82414147.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61905424 + 12236004 = 7868^2 + 3498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74141428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74141423) 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, 126663 + ... + 127246.

Almost surely, 2^74141428 is an apocalyptic number.

It is an amenable number.

74141428 is a deficient number, since it is larger than the sum of its proper divisors (57383952).

74141428 is a wasteful number, since it uses less digits than its factorization.

74141428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253986 (or 253984 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 74141428 is about 8610.5416786634. The cubic root of 74141428 is about 420.1009356804.

The spelling of 74141428 in words is "seventy-four million, one hundred forty-one thousand, four hundred twenty-eight".