74460217 has 12 divisors (see below), whose sum is σ = 81197100. Its totient is φ = 68248128.

The previous prime is 74460181. The next prime is 74460251. The reversal of 74460217 is 71206447.

It can be written as a sum of positive squares in 6 ways, for example, as 36711481 + 37748736 = 6059^2 + 6144^2 .

It is not a de Polignac number, because 74460217 - 2¹⁹ = 73935929 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 (74460277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23703 + ... + 26659.

It is an arithmetic number, because the mean of its divisors is an integer number (6766425).

Almost surely, 2^74460217 is an apocalyptic number.

It is an amenable number.

74460217 is a deficient number, since it is larger than the sum of its proper divisors (6736883).

74460217 is a wasteful number, since it uses less digits than its factorization.

74460217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 74460217 is about 8629.0333757612. The cubic root of 74460217 is about 420.7021832888.

The spelling of 74460217 in words is "seventy-four million, four hundred sixty thousand, two hundred seventeen".