1740150721 has 8 divisors (see below), whose sum is σ = 1845578304. Its totient is φ = 1637203920.

The previous prime is 1740150697. The next prime is 1740150761. The reversal of 1740150721 is 1270510471.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1740150721 - 2⁷ = 1740150593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1740150721.

It is not an unprimeable number, because it can be changed into a prime (1740150761) 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 7 ways as a sum of consecutive naturals, for example, 618751 + ... + 621556.

It is an arithmetic number, because the mean of its divisors is an integer number (230697288).

Almost surely, 2^1740150721 is an apocalyptic number.

It is an amenable number.

1740150721 is a deficient number, since it is larger than the sum of its proper divisors (105427583).

1740150721 is a wasteful number, since it uses less digits than its factorization.

1740150721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240391.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 1740150721 is about 41715.1138198136. The cubic root of 1740150721 is about 1202.8060999526.

The spelling of 1740150721 in words is "one billion, seven hundred forty million, one hundred fifty thousand, seven hundred twenty-one".