740120289 has 8 divisors (see below), whose sum is σ = 1029732672. Its totient is φ = 471960720.

The previous prime is 740120267. The next prime is 740120291. The reversal of 740120289 is 982021047.

It is a happy number.

740120289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 740120289 - 2⁸ = 740120033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740120219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5363122 + ... + 5363259.

It is an arithmetic number, because the mean of its divisors is an integer number (128716584).

Almost surely, 2^740120289 is an apocalyptic number.

It is an amenable number.

740120289 is a deficient number, since it is larger than the sum of its proper divisors (289612383).

740120289 is a wasteful number, since it uses less digits than its factorization.

740120289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726407.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 740120289 is about 27205.1518834209. The cubic root of 740120289 is about 904.5531768615.

The spelling of 740120289 in words is "seven hundred forty million, one hundred twenty thousand, two hundred eighty-nine".