740731219 has 4 divisors (see below), whose sum is σ = 750878296. Its totient is φ = 730584144.

The previous prime is 740731217. The next prime is 740731237. The reversal of 740731219 is 912137047.

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

It is a cyclic number.

It is not a de Polignac number, because 740731219 - 2¹ = 740731217 is a prime.

It is a super-2 number, since 2×740731219² = 1097365477602451922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740731217) 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, 5073429 + ... + 5073574.

It is an arithmetic number, because the mean of its divisors is an integer number (187719574).

Almost surely, 2^740731219 is an apocalyptic number.

740731219 is a deficient number, since it is larger than the sum of its proper divisors (10147077).

740731219 is a wasteful number, since it uses less digits than its factorization.

740731219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147076.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 740731219 is about 27216.3777714816. The cubic root of 740731219 is about 904.8019952846.

The spelling of 740731219 in words is "seven hundred forty million, seven hundred thirty-one thousand, two hundred nineteen".