7401667217 has 6 divisors (see below), whose sum is σ = 8610102738. Its totient is φ = 6344286144.

The previous prime is 7401667201. The next prime is 7401667219. The reversal of 7401667217 is 7127661047.

It can be written as a sum of positive squares in only one way, i.e., 4694442256 + 2707224961 = 68516^2 + 52031^2 .

It is not a de Polignac number, because 7401667217 - 2⁴ = 7401667201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7401667219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75527168 + ... + 75527265.

It is an arithmetic number, because the mean of its divisors is an integer number (1435017123).

Almost surely, 2^7401667217 is an apocalyptic number.

It is an amenable number.

7401667217 is a deficient number, since it is larger than the sum of its proper divisors (1208435521).

7401667217 is a wasteful number, since it uses less digits than its factorization.

7401667217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151054447 (or 151054440 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 7401667217 is about 86032.9426266474. The cubic root of 7401667217 is about 1948.8414961286.

The spelling of 7401667217 in words is "seven billion, four hundred one million, six hundred sixty-seven thousand, two hundred seventeen".