1466034721 has 4 divisors (see below), whose sum is σ = 1470718852. Its totient is φ = 1461350592.

The previous prime is 1466034719. The next prime is 1466034751. The reversal of 1466034721 is 1274306641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231496225 + 1234538496 = 15215^2 + 35136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1466034721 - 2¹ = 1466034719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1466034701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341596 + ... + 2342221.

It is an arithmetic number, because the mean of its divisors is an integer number (367679713).

Almost surely, 2^1466034721 is an apocalyptic number.

It is an amenable number.

1466034721 is a deficient number, since it is larger than the sum of its proper divisors (4684131).

1466034721 is an equidigital number, since it uses as much as digits as its factorization.

1466034721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684130.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1466034721 is about 38288.8328498010. The cubic root of 1466034721 is about 1136.0080756489.

The spelling of 1466034721 in words is "one billion, four hundred sixty-six million, thirty-four thousand, seven hundred twenty-one".