740221017 has 8 divisors (see below), whose sum is σ = 989652096. Its totient is φ = 492135312.

The previous prime is 740221003. The next prime is 740221033. The reversal of 740221017 is 710122047.

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

It is not a de Polignac number, because 740221017 - 2⁷ = 740220889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740221037) 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, 335058 + ... + 337259.

It is an arithmetic number, because the mean of its divisors is an integer number (123706512).

Almost surely, 2^740221017 is an apocalyptic number.

It is an amenable number.

740221017 is a deficient number, since it is larger than the sum of its proper divisors (249431079).

740221017 is a wasteful number, since it uses less digits than its factorization.

740221017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672687.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 740221017 is about 27207.0030874406. The cubic root of 740221017 is about 904.5942105964.

The spelling of 740221017 in words is "seven hundred forty million, two hundred twenty-one thousand, seventeen".