74006141 has 6 divisors (see below), whose sum is σ = 81345726. Its totient is φ = 67278200.

The previous prime is 74006137. The next prime is 74006147. The reversal of 74006141 is 14160047.

It can be written as a sum of positive squares in only one way, i.e., 57441241 + 16564900 = 7579^2 + 4070^2 .

It is not a de Polignac number, because 74006141 - 2² = 74006137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74006147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305690 + ... + 305931.

It is an arithmetic number, because the mean of its divisors is an integer number (13557621).

Almost surely, 2^74006141 is an apocalyptic number.

It is an amenable number.

74006141 is a deficient number, since it is larger than the sum of its proper divisors (7339585).

74006141 is a wasteful number, since it uses less digits than its factorization.

74006141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611643 (or 611632 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 74006141 is about 8602.6821980124. The cubic root of 74006141 is about 419.8452585660.

Adding to 74006141 its reverse (14160047), we get a palindrome (88166188).

It can be divided in two parts, 74006 and 141, that added together give a palindrome (74147).

The spelling of 74006141 in words is "seventy-four million, six thousand, one hundred forty-one".