74148461 has 2 divisors, whose sum is σ = 74148462. Its totient is φ = 74148460.

The previous prime is 74148439. The next prime is 74148491. The reversal of 74148461 is 16484147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50197225 + 23951236 = 7085^2 + 4894^2 .

It is an emirp because it is prime and its reverse (16484147) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74148461 - 2¹⁸ = 73886317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74148401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37074230 + 37074231.

It is an arithmetic number, because the mean of its divisors is an integer number (37074231).

Almost surely, 2^74148461 is an apocalyptic number.

It is an amenable number.

74148461 is a deficient number, since it is larger than the sum of its proper divisors (1).

74148461 is an equidigital number, since it uses as much as digits as its factorization.

74148461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

The square root of 74148461 is about 8610.9500637270. The cubic root of 74148461 is about 420.1142187465.

The spelling of 74148461 in words is "seventy-four million, one hundred forty-eight thousand, four hundred sixty-one".