74406461 has 2 divisors, whose sum is σ = 74406462. Its totient is φ = 74406460.

The previous prime is 74406457. The next prime is 74406463. The reversal of 74406461 is 16460447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62805625 + 11600836 = 7925^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 74406461 - 2² = 74406457 is a prime.

Together with 74406463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74406463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37203230 + 37203231.

It is an arithmetic number, because the mean of its divisors is an integer number (37203231).

Almost surely, 2^74406461 is an apocalyptic number.

It is an amenable number.

74406461 is a deficient number, since it is larger than the sum of its proper divisors (1).

74406461 is an equidigital number, since it uses as much as digits as its factorization.

74406461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 74406461 is about 8625.9179801341. The cubic root of 74406461 is about 420.6009179780.

The spelling of 74406461 in words is "seventy-four million, four hundred six thousand, four hundred sixty-one".