74130061 has 8 divisors (see below), whose sum is σ = 77448600. Its totient is φ = 70862400.

The previous prime is 74130059. The next prime is 74130071. The reversal of 74130061 is 16003147.

It can be written as a sum of positive squares in 4 ways, for example, as 34515625 + 39614436 = 5875^2 + 6294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74130061 - 2¹ = 74130059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74130011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9726 + ... + 15583.

It is an arithmetic number, because the mean of its divisors is an integer number (9681075).

Almost surely, 2^74130061 is an apocalyptic number.

It is an amenable number.

74130061 is a deficient number, since it is larger than the sum of its proper divisors (3318539).

74130061 is a wasteful number, since it uses less digits than its factorization.

74130061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25439.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 74130061 is about 8609.8815903588. The cubic root of 74130061 is about 420.0794653117.

The spelling of 74130061 in words is "seventy-four million, one hundred thirty thousand, sixty-one".