740220311 has 8 divisors (see below), whose sum is σ = 753338880. Its totient is φ = 727201912.

The previous prime is 740220301. The next prime is 740220317. The reversal of 740220311 is 113022047.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740220311 is a prime.

It is a super-2 number, since 2×740220311² = 1095852217633873442, which contains 22 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 (740220317) 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, 10055 + ... + 39768.

It is an arithmetic number, because the mean of its divisors is an integer number (94167360).

Almost surely, 2^740220311 is an apocalyptic number.

740220311 is a deficient number, since it is larger than the sum of its proper divisors (13118569).

740220311 is a wasteful number, since it uses less digits than its factorization.

740220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50085.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 740220311 is about 27206.9901128368. The cubic root of 740220311 is about 904.5939230050.

Adding to 740220311 its reverse (113022047), we get a palindrome (853242358).

The spelling of 740220311 in words is "seven hundred forty million, two hundred twenty thousand, three hundred eleven".