740221303 has 4 divisors (see below), whose sum is σ = 746772048. Its totient is φ = 733670560.

The previous prime is 740221271. The next prime is 740221331. The reversal of 740221303 is 303122047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303122047 = 1567 ⋅193441.

It is a cyclic number.

It is not a de Polignac number, because 740221303 - 2⁵ = 740221271 is a prime.

It is a super-3 number, since 3×740221303³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740221343) 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 3 ways as a sum of consecutive naturals, for example, 3275203 + ... + 3275428.

It is an arithmetic number, because the mean of its divisors is an integer number (186693012).

Almost surely, 2^740221303 is an apocalyptic number.

740221303 is a deficient number, since it is larger than the sum of its proper divisors (6550745).

740221303 is a wasteful number, since it uses less digits than its factorization.

740221303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550744.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 740221303 is about 27207.0083434397. The cubic root of 740221303 is about 904.5943270994.

The spelling of 740221303 in words is "seven hundred forty million, two hundred twenty-one thousand, three hundred three".